This commit is contained in:
Jeremy Grelle
2007-12-03 21:27:31 +00:00
parent 6e6c8c86f9
commit fa7364fe84
10 changed files with 0 additions and 2358 deletions

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@@ -1,75 +0,0 @@
if(!dojo._hasResource["dojo.dnd.Avatar"]){ //_hasResource checks added by build. Do not use _hasResource directly in your code.
dojo._hasResource["dojo.dnd.Avatar"] = true;
dojo.provide("dojo.dnd.Avatar");
dojo.require("dojo.dnd.common");
dojo.dnd.Avatar = function(manager){
// summary: an object, which represents transferred DnD items visually
// manager: Object: a DnD manager object
this.manager = manager;
this.construct();
};
dojo.extend(dojo.dnd.Avatar, {
construct: function(){
// summary: a constructor function;
// it is separate so it can be (dynamically) overwritten in case of need
var a = dojo.doc.createElement("table");
a.className = "dojoDndAvatar";
a.style.position = "absolute";
a.style.zIndex = 1999;
a.style.margin = "0px"; // to avoid dojo.marginBox() problems with table's margins
var b = dojo.doc.createElement("tbody");
var tr = dojo.doc.createElement("tr");
tr.className = "dojoDndAvatarHeader";
var td = dojo.doc.createElement("td");
td.innerHTML = this._generateText();
tr.appendChild(td);
dojo.style(tr, "opacity", 0.9);
b.appendChild(tr);
var k = Math.min(5, this.manager.nodes.length);
var source = this.manager.source;
for(var i = 0; i < k; ++i){
tr = dojo.doc.createElement("tr");
tr.className = "dojoDndAvatarItem";
td = dojo.doc.createElement("td");
var node = source.creator ?
// create an avatar representation of the node
node = source._normalizedCreator(source.getItem(this.manager.nodes[i].id).data, "avatar").node :
// or just clone the node and hope it works
node = this.manager.nodes[i].cloneNode(true);
node.id = "";
td.appendChild(node);
tr.appendChild(td);
dojo.style(tr, "opacity", (9 - i) / 10);
b.appendChild(tr);
}
a.appendChild(b);
this.node = a;
},
destroy: function(){
// summary: a desctructor for the avatar, called to remove all references so it can be garbage-collected
dojo._destroyElement(this.node);
this.node = false;
},
update: function(){
// summary: updates the avatar to reflect the current DnD state
dojo[(this.manager.canDropFlag ? "add" : "remove") + "Class"](this.node, "dojoDndAvatarCanDrop");
// replace text
var t = this.node.getElementsByTagName("td");
for(var i = 0; i < t.length; ++i){
var n = t[i];
if(dojo.hasClass(n.parentNode, "dojoDndAvatarHeader")){
n.innerHTML = this._generateText();
break;
}
}
},
_generateText: function(){
// summary: generates a proper text to reflect copying or moving of items
return this.manager.nodes.length.toString();
}
});
}

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if(!dojo._hasResource["dojo.dnd.Container"]){ //_hasResource checks added by build. Do not use _hasResource directly in your code.
dojo._hasResource["dojo.dnd.Container"] = true;
dojo.provide("dojo.dnd.Container");
dojo.require("dojo.dnd.common");
dojo.require("dojo.parser");
/*
Container states:
"" - normal state
"Over" - mouse over a container
Container item states:
"" - normal state
"Over" - mouse over a container item
*/
dojo.declare("dojo.dnd.Container", null, {
// summary: a Container object, which knows when mouse hovers over it,
// and know over which element it hovers
// object attributes (for markup)
skipForm: false,
constructor: function(node, params){
// summary: a constructor of the Container
// node: Node: node or node's id to build the container on
// params: Object: a dict of parameters, recognized parameters are:
// creator: Function: a creator function, which takes a data item, and returns an object like that:
// {node: newNode, data: usedData, type: arrayOfStrings}
// skipForm: Boolean: don't start the drag operation, if clicked on form elements
// _skipStartup: Boolean: skip startup(), which collects children, for deferred initialization
// (this is used in the markup mode)
this.node = dojo.byId(node);
if(!params){ params = {}; }
this.creator = params.creator || null;
this.skipForm = params.skipForm;
this.defaultCreator = dojo.dnd._defaultCreator(this.node);
// class-specific variables
this.map = {};
this.current = null;
// states
this.containerState = "";
dojo.addClass(this.node, "dojoDndContainer");
// mark up children
if(!(params && params._skipStartup)){
this.startup();
}
// set up events
this.events = [
dojo.connect(this.node, "onmouseover", this, "onMouseOver"),
dojo.connect(this.node, "onmouseout", this, "onMouseOut"),
// cancel text selection and text dragging
dojo.connect(this.node, "ondragstart", this, "onSelectStart"),
dojo.connect(this.node, "onselectstart", this, "onSelectStart")
];
},
// object attributes (for markup)
creator: function(){}, // creator function, dummy at the moment
// abstract access to the map
getItem: function(/*String*/ key){
// summary: returns a data item by its key (id)
return this.map[key]; // Object
},
setItem: function(/*String*/ key, /*Object*/ data){
// summary: associates a data item with its key (id)
this.map[key] = data;
},
delItem: function(/*String*/ key){
// summary: removes a data item from the map by its key (id)
delete this.map[key];
},
forInItems: function(/*Function*/ f, /*Object?*/ o){
// summary: iterates over a data map skipping members, which
// are present in the empty object (IE and/or 3rd-party libraries).
o = o || dojo.global;
var m = this.map, e = dojo.dnd._empty;
for(var i in this.map){
if(i in e){ continue; }
f.call(o, m[i], i, m);
}
},
clearItems: function(){
// summary: removes all data items from the map
this.map = {};
},
// methods
getAllNodes: function(){
// summary: returns a list (an array) of all valid child nodes
return dojo.query("> .dojoDndItem", this.parent); // NodeList
},
insertNodes: function(data, before, anchor){
// summary: inserts an array of new nodes before/after an anchor node
// data: Array: a list of data items, which should be processed by the creator function
// before: Boolean: insert before the anchor, if true, and after the anchor otherwise
// anchor: Node: the anchor node to be used as a point of insertion
if(!this.parent.firstChild){
anchor = null;
}else if(before){
if(!anchor){
anchor = this.parent.firstChild;
}
}else{
if(anchor){
anchor = anchor.nextSibling;
}
}
if(anchor){
for(var i = 0; i < data.length; ++i){
var t = this._normalizedCreator(data[i]);
this.setItem(t.node.id, {data: t.data, type: t.type});
this.parent.insertBefore(t.node, anchor);
}
}else{
for(var i = 0; i < data.length; ++i){
var t = this._normalizedCreator(data[i]);
this.setItem(t.node.id, {data: t.data, type: t.type});
this.parent.appendChild(t.node);
}
}
return this; // self
},
destroy: function(){
// summary: prepares the object to be garbage-collected
dojo.forEach(this.events, dojo.disconnect);
this.clearItems();
this.node = this.parent = this.current;
},
// markup methods
markupFactory: function(params, node){
params._skipStartup = true;
return new dojo.dnd.Container(node, params);
},
startup: function(){
// summary: collects valid child items and populate the map
// set up the real parent node
this.parent = this.node;
if(this.parent.tagName.toLowerCase() == "table"){
var c = this.parent.getElementsByTagName("tbody");
if(c && c.length){ this.parent = c[0]; }
}
// process specially marked children
dojo.query("> .dojoDndItem", this.parent).forEach(function(node){
if(!node.id){ node.id = dojo.dnd.getUniqueId(); }
var type = node.getAttribute("dndType"),
data = node.getAttribute("dndData");
this.setItem(node.id, {
data: data ? data : node.innerHTML,
type: type ? type.split(/\s*,\s*/) : ["text"]
});
}, this);
},
// mouse events
onMouseOver: function(e){
// summary: event processor for onmouseover
// e: Event: mouse event
var n = e.relatedTarget;
while(n){
if(n == this.node){ break; }
try{
n = n.parentNode;
}catch(x){
n = null;
}
}
if(!n){
this._changeState("Container", "Over");
this.onOverEvent();
}
n = this._getChildByEvent(e);
if(this.current == n){ return; }
if(this.current){ this._removeItemClass(this.current, "Over"); }
if(n){ this._addItemClass(n, "Over"); }
this.current = n;
},
onMouseOut: function(e){
// summary: event processor for onmouseout
// e: Event: mouse event
for(var n = e.relatedTarget; n;){
if(n == this.node){ return; }
try{
n = n.parentNode;
}catch(x){
n = null;
}
}
if(this.current){
this._removeItemClass(this.current, "Over");
this.current = null;
}
this._changeState("Container", "");
this.onOutEvent();
},
onSelectStart: function(e){
// summary: event processor for onselectevent and ondragevent
// e: Event: mouse event
if(!this.skipForm || !dojo.dnd.isFormElement(e)){
dojo.stopEvent(e);
}
},
// utilities
onOverEvent: function(){
// summary: this function is called once, when mouse is over our container
},
onOutEvent: function(){
// summary: this function is called once, when mouse is out of our container
},
_changeState: function(type, newState){
// summary: changes a named state to new state value
// type: String: a name of the state to change
// newState: String: new state
var prefix = "dojoDnd" + type;
var state = type.toLowerCase() + "State";
//dojo.replaceClass(this.node, prefix + newState, prefix + this[state]);
dojo.removeClass(this.node, prefix + this[state]);
dojo.addClass(this.node, prefix + newState);
this[state] = newState;
},
_addItemClass: function(node, type){
// summary: adds a class with prefix "dojoDndItem"
// node: Node: a node
// type: String: a variable suffix for a class name
dojo.addClass(node, "dojoDndItem" + type);
},
_removeItemClass: function(node, type){
// summary: removes a class with prefix "dojoDndItem"
// node: Node: a node
// type: String: a variable suffix for a class name
dojo.removeClass(node, "dojoDndItem" + type);
},
_getChildByEvent: function(e){
// summary: gets a child, which is under the mouse at the moment, or null
// e: Event: a mouse event
var node = e.target;
if(node){
for(var parent = node.parentNode; parent; node = parent, parent = node.parentNode){
if(parent == this.parent && dojo.hasClass(node, "dojoDndItem")){ return node; }
}
}
return null;
},
_normalizedCreator: function(item, hint){
// summary: adds all necessary data to the output of the user-supplied creator function
var t = (this.creator ? this.creator : this.defaultCreator)(item, hint);
if(!dojo.isArray(t.type)){ t.type = ["text"]; }
if(!t.node.id){ t.node.id = dojo.dnd.getUniqueId(); }
dojo.addClass(t.node, "dojoDndItem");
return t;
}
});
dojo.dnd._createNode = function(tag){
// summary: returns a function, which creates an element of given tag
// (SPAN by default) and sets its innerHTML to given text
// tag: String: a tag name or empty for SPAN
if(!tag){ return dojo.dnd._createSpan; }
return function(text){ // Function
var n = dojo.doc.createElement(tag);
n.innerHTML = text;
return n;
};
};
dojo.dnd._createTrTd = function(text){
// summary: creates a TR/TD structure with given text as an innerHTML of TD
// text: String: a text for TD
var tr = dojo.doc.createElement("tr");
var td = dojo.doc.createElement("td");
td.innerHTML = text;
tr.appendChild(td);
return tr; // Node
};
dojo.dnd._createSpan = function(text){
// summary: creates a SPAN element with given text as its innerHTML
// text: String: a text for SPAN
var n = dojo.doc.createElement("span");
n.innerHTML = text;
return n; // Node
};
// dojo.dnd._defaultCreatorNodes: Object: a dicitionary, which maps container tag names to child tag names
dojo.dnd._defaultCreatorNodes = {ul: "li", ol: "li", div: "div", p: "div"};
dojo.dnd._defaultCreator = function(node){
// summary: takes a container node, and returns an appropriate creator function
// node: Node: a container node
var tag = node.tagName.toLowerCase();
var c = tag == "table" ? dojo.dnd._createTrTd : dojo.dnd._createNode(dojo.dnd._defaultCreatorNodes[tag]);
return function(item, hint){ // Function
var isObj = dojo.isObject(item) && item;
var data = (isObj && item.data) ? item.data : item;
var type = (isObj && item.type) ? item.type : ["text"];
var t = String(data), n = (hint == "avatar" ? dojo.dnd._createSpan : c)(t);
n.id = dojo.dnd.getUniqueId();
return {node: n, data: data, type: type};
};
};
}

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if(!dojo._hasResource["dojo.dnd.Manager"]){ //_hasResource checks added by build. Do not use _hasResource directly in your code.
dojo._hasResource["dojo.dnd.Manager"] = true;
dojo.provide("dojo.dnd.Manager");
dojo.require("dojo.dnd.common");
dojo.require("dojo.dnd.autoscroll");
dojo.require("dojo.dnd.Avatar");
dojo.dnd.Manager = function(){
// summary: the manager of DnD operations (usually a singleton)
this.avatar = null;
this.source = null;
this.nodes = [];
this.copy = true;
this.target = null;
this.canDropFlag = false;
this.events = [];
};
dojo.extend(dojo.dnd.Manager, {
// avatar's offset from the mouse
OFFSET_X: 16,
OFFSET_Y: 16,
// methods
overSource: function(source){
// summary: called when a source detected a mouse-over conditiion
// source: Object: the reporter
if(this.avatar){
this.target = (source && source.targetState != "Disabled") ? source : null;
this.avatar.update();
}
dojo.publish("/dnd/source/over", [source]);
},
outSource: function(source){
// summary: called when a source detected a mouse-out conditiion
// source: Object: the reporter
if(this.avatar){
if(this.target == source){
this.target = null;
this.canDropFlag = false;
this.avatar.update();
dojo.publish("/dnd/source/over", [null]);
}
}else{
dojo.publish("/dnd/source/over", [null]);
}
},
startDrag: function(source, nodes, copy){
// summary: called to initiate the DnD operation
// source: Object: the source which provides items
// nodes: Array: the list of transferred items
// copy: Boolean: copy items, if true, move items otherwise
this.source = source;
this.nodes = nodes;
this.copy = Boolean(copy); // normalizing to true boolean
this.avatar = this.makeAvatar();
dojo.body().appendChild(this.avatar.node);
dojo.publish("/dnd/start", [source, nodes, this.copy]);
this.events = [
dojo.connect(dojo.doc, "onmousemove", this, "onMouseMove"),
dojo.connect(dojo.doc, "onmouseup", this, "onMouseUp"),
dojo.connect(dojo.doc, "onkeydown", this, "onKeyDown"),
dojo.connect(dojo.doc, "onkeyup", this, "onKeyUp")
];
var c = "dojoDnd" + (copy ? "Copy" : "Move");
dojo.addClass(dojo.body(), c);
},
canDrop: function(flag){
// summary: called to notify if the current target can accept items
var canDropFlag = this.target && flag;
if(this.canDropFlag != canDropFlag){
this.canDropFlag = canDropFlag;
this.avatar.update();
}
},
stopDrag: function(){
// summary: stop the DnD in progress
dojo.removeClass(dojo.body(), "dojoDndCopy");
dojo.removeClass(dojo.body(), "dojoDndMove");
dojo.forEach(this.events, dojo.disconnect);
this.events = [];
this.avatar.destroy();
this.avatar = null;
this.source = null;
this.nodes = [];
},
makeAvatar: function(){
// summary: makes the avatar, it is separate to be overwritten dynamically, if needed
return new dojo.dnd.Avatar(this);
},
updateAvatar: function(){
// summary: updates the avatar, it is separate to be overwritten dynamically, if needed
this.avatar.update();
},
// mouse event processors
onMouseMove: function(e){
// summary: event processor for onmousemove
// e: Event: mouse event
var a = this.avatar;
if(a){
//dojo.dnd.autoScrollNodes(e);
dojo.dnd.autoScroll(e);
dojo.marginBox(a.node, {l: e.pageX + this.OFFSET_X, t: e.pageY + this.OFFSET_Y});
var copy = Boolean(this.source.copyState(dojo.dnd.getCopyKeyState(e)));
if(this.copy != copy){
this._setCopyStatus(copy);
}
}
},
onMouseUp: function(e){
// summary: event processor for onmouseup
// e: Event: mouse event
if(this.avatar && this.source.mouseButton == e.button){
if(this.target && this.canDropFlag){
dojo.publish("/dnd/drop", [this.source, this.nodes, Boolean(this.source.copyState(dojo.dnd.getCopyKeyState(e)))]);
}else{
dojo.publish("/dnd/cancel");
}
this.stopDrag();
}
},
// keyboard event processors
onKeyDown: function(e){
// summary: event processor for onkeydown:
// watching for CTRL for copy/move status, watching for ESCAPE to cancel the drag
// e: Event: keyboard event
if(this.avatar){
switch(e.keyCode){
case dojo.keys.CTRL:
var copy = Boolean(this.source.copyState(true));
if(this.copy != copy){
this._setCopyStatus(copy);
}
break;
case dojo.keys.ESCAPE:
dojo.publish("/dnd/cancel");
this.stopDrag();
break;
}
}
},
onKeyUp: function(e){
// summary: event processor for onkeyup, watching for CTRL for copy/move status
// e: Event: keyboard event
if(this.avatar && e.keyCode == dojo.keys.CTRL){
var copy = Boolean(this.source.copyState(false));
if(this.copy != copy){
this._setCopyStatus(copy);
}
}
},
// utilities
_setCopyStatus: function(copy){
// summary: changes the copy status
// copy: Boolean: the copy status
this.copy = copy;
this.source._markDndStatus(this.copy);
this.updateAvatar();
dojo.removeClass(dojo.body(), "dojoDnd" + (this.copy ? "Move" : "Copy"));
dojo.addClass(dojo.body(), "dojoDnd" + (this.copy ? "Copy" : "Move"));
}
});
// summary: the manager singleton variable, can be overwritten, if needed
dojo.dnd._manager = null;
dojo.dnd.manager = function(){
// summary: returns the current DnD manager, creates one if it is not created yet
if(!dojo.dnd._manager){
dojo.dnd._manager = new dojo.dnd.Manager();
}
return dojo.dnd._manager; // Object
};
}

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if(!dojo._hasResource["dojo.dnd.Selector"]){ //_hasResource checks added by build. Do not use _hasResource directly in your code.
dojo._hasResource["dojo.dnd.Selector"] = true;
dojo.provide("dojo.dnd.Selector");
dojo.require("dojo.dnd.common");
dojo.require("dojo.dnd.Container");
/*
Container item states:
"" - an item is not selected
"Selected" - an item is selected
"Anchor" - an item is selected, and is an anchor for a "shift" selection
*/
dojo.declare("dojo.dnd.Selector", dojo.dnd.Container, {
// summary: a Selector object, which knows how to select its children
constructor: function(node, params){
// summary: a constructor of the Selector
// node: Node: node or node's id to build the selector on
// params: Object: a dict of parameters, recognized parameters are:
// singular: Boolean: allows selection of only one element, if true
// the rest of parameters are passed to the container
if(!params){ params = {}; }
this.singular = params.singular;
// class-specific variables
this.selection = {};
this.anchor = null;
this.simpleSelection = false;
// set up events
this.events.push(
dojo.connect(this.node, "onmousedown", this, "onMouseDown"),
dojo.connect(this.node, "onmouseup", this, "onMouseUp"));
},
// object attributes (for markup)
singular: false, // is singular property
// methods
getSelectedNodes: function(){
// summary: returns a list (an array) of selected nodes
var t = new dojo.NodeList();
var e = dojo.dnd._empty;
for(var i in this.selection){
if(i in e){ continue; }
t.push(dojo.byId(i));
}
return t; // Array
},
selectNone: function(){
// summary: unselects all items
return this._removeSelection()._removeAnchor(); // self
},
selectAll: function(){
// summary: selects all items
this.forInItems(function(data, id){
this._addItemClass(dojo.byId(id), "Selected");
this.selection[id] = 1;
}, this);
return this._removeAnchor(); // self
},
deleteSelectedNodes: function(){
// summary: deletes all selected items
var e = dojo.dnd._empty;
for(var i in this.selection){
if(i in e){ continue; }
var n = dojo.byId(i);
this.delItem(i);
dojo._destroyElement(n);
}
this.anchor = null;
this.selection = {};
return this; // self
},
insertNodes: function(addSelected, data, before, anchor){
// summary: inserts new data items (see Container's insertNodes method for details)
// addSelected: Boolean: all new nodes will be added to selected items, if true, no selection change otherwise
// data: Array: a list of data items, which should be processed by the creator function
// before: Boolean: insert before the anchor, if true, and after the anchor otherwise
// anchor: Node: the anchor node to be used as a point of insertion
var oldCreator = this._normalizedCreator;
this._normalizedCreator = function(item, hint){
var t = oldCreator.call(this, item, hint);
if(addSelected){
if(!this.anchor){
this.anchor = t.node;
this._removeItemClass(t.node, "Selected");
this._addItemClass(this.anchor, "Anchor");
}else if(this.anchor != t.node){
this._removeItemClass(t.node, "Anchor");
this._addItemClass(t.node, "Selected");
}
this.selection[t.node.id] = 1;
}else{
this._removeItemClass(t.node, "Selected");
this._removeItemClass(t.node, "Anchor");
}
return t;
};
dojo.dnd.Selector.superclass.insertNodes.call(this, data, before, anchor);
this._normalizedCreator = oldCreator;
return this; // self
},
destroy: function(){
// summary: prepares the object to be garbage-collected
dojo.dnd.Selector.superclass.destroy.call(this);
this.selection = this.anchor = null;
},
// markup methods
markupFactory: function(params, node){
params._skipStartup = true;
return new dojo.dnd.Selector(node, params);
},
// mouse events
onMouseDown: function(e){
// summary: event processor for onmousedown
// e: Event: mouse event
if(!this.current){ return; }
if(!this.singular && !dojo.dnd.getCopyKeyState(e) && !e.shiftKey && (this.current.id in this.selection)){
this.simpleSelection = true;
dojo.stopEvent(e);
return;
}
if(!this.singular && e.shiftKey){
if(!dojo.dnd.getCopyKeyState(e)){
this._removeSelection();
}
var c = dojo.query("> .dojoDndItem", this.parent);
if(c.length){
if(!this.anchor){
this.anchor = c[0];
this._addItemClass(this.anchor, "Anchor");
}
this.selection[this.anchor.id] = 1;
if(this.anchor != this.current){
var i = 0;
for(; i < c.length; ++i){
var node = c[i];
if(node == this.anchor || node == this.current){ break; }
}
for(++i; i < c.length; ++i){
var node = c[i];
if(node == this.anchor || node == this.current){ break; }
this._addItemClass(node, "Selected");
this.selection[node.id] = 1;
}
this._addItemClass(this.current, "Selected");
this.selection[this.current.id] = 1;
}
}
}else{
if(this.singular){
if(this.anchor == this.current){
if(dojo.dnd.getCopyKeyState(e)){
this.selectNone();
}
}else{
this.selectNone();
this.anchor = this.current;
this._addItemClass(this.anchor, "Anchor");
this.selection[this.current.id] = 1;
}
}else{
if(dojo.dnd.getCopyKeyState(e)){
if(this.anchor == this.current){
delete this.selection[this.anchor.id];
this._removeAnchor();
}else{
if(this.current.id in this.selection){
this._removeItemClass(this.current, "Selected");
delete this.selection[this.current.id];
}else{
if(this.anchor){
this._removeItemClass(this.anchor, "Anchor");
this._addItemClass(this.anchor, "Selected");
}
this.anchor = this.current;
this._addItemClass(this.current, "Anchor");
this.selection[this.current.id] = 1;
}
}
}else{
if(!(this.current.id in this.selection)){
this.selectNone();
this.anchor = this.current;
this._addItemClass(this.current, "Anchor");
this.selection[this.current.id] = 1;
}
}
}
}
dojo.stopEvent(e);
},
onMouseUp: function(e){
// summary: event processor for onmouseup
// e: Event: mouse event
if(!this.simpleSelection){ return; }
this.simpleSelection = false;
this.selectNone();
if(this.current){
this.anchor = this.current;
this._addItemClass(this.anchor, "Anchor");
this.selection[this.current.id] = 1;
}
},
onMouseMove: function(e){
// summary: event processor for onmousemove
// e: Event: mouse event
this.simpleSelection = false;
},
// utilities
onOverEvent: function(){
// summary: this function is called once, when mouse is over our container
this.onmousemoveEvent = dojo.connect(this.node, "onmousemove", this, "onMouseMove");
},
onOutEvent: function(){
// summary: this function is called once, when mouse is out of our container
dojo.disconnect(this.onmousemoveEvent);
delete this.onmousemoveEvent;
},
_removeSelection: function(){
// summary: unselects all items
var e = dojo.dnd._empty;
for(var i in this.selection){
if(i in e){ continue; }
var node = dojo.byId(i);
if(node){ this._removeItemClass(node, "Selected"); }
}
this.selection = {};
return this; // self
},
_removeAnchor: function(){
if(this.anchor){
this._removeItemClass(this.anchor, "Anchor");
this.anchor = null;
}
return this; // self
}
});
}

View File

@@ -1,374 +0,0 @@
if(!dojo._hasResource["dojo.dnd.Source"]){ //_hasResource checks added by build. Do not use _hasResource directly in your code.
dojo._hasResource["dojo.dnd.Source"] = true;
dojo.provide("dojo.dnd.Source");
dojo.require("dojo.dnd.Selector");
dojo.require("dojo.dnd.Manager");
/*
Container property:
"Horizontal"- if this is the horizontal container
Source states:
"" - normal state
"Moved" - this source is being moved
"Copied" - this source is being copied
Target states:
"" - normal state
"Disabled" - the target cannot accept an avatar
Target anchor state:
"" - item is not selected
"Before" - insert point is before the anchor
"After" - insert point is after the anchor
*/
dojo.declare("dojo.dnd.Source", dojo.dnd.Selector, {
// summary: a Source object, which can be used as a DnD source, or a DnD target
// object attributes (for markup)
isSource: true,
horizontal: false,
copyOnly: false,
skipForm: false,
withHandles: false,
accept: ["text"],
constructor: function(node, params){
// summary: a constructor of the Source
// node: Node: node or node's id to build the source on
// params: Object: a dict of parameters, recognized parameters are:
// isSource: Boolean: can be used as a DnD source, if true; assumed to be "true" if omitted
// accept: Array: list of accepted types (text strings) for a target; assumed to be ["text"] if omitted
// horizontal: Boolean: a horizontal container, if true, vertical otherwise or when omitted
// copyOnly: Boolean: always copy items, if true, use a state of Ctrl key otherwise
// withHandles: Boolean: allows dragging only by handles
// the rest of parameters are passed to the selector
if(!params){ params = {}; }
this.isSource = typeof params.isSource == "undefined" ? true : params.isSource;
var type = params.accept instanceof Array ? params.accept : ["text"];
this.accept = null;
if(type.length){
this.accept = {};
for(var i = 0; i < type.length; ++i){
this.accept[type[i]] = 1;
}
}
this.horizontal = params.horizontal;
this.copyOnly = params.copyOnly;
this.withHandles = params.withHandles;
// class-specific variables
this.isDragging = false;
this.mouseDown = false;
this.targetAnchor = null;
this.targetBox = null;
this.before = true;
// states
this.sourceState = "";
if(this.isSource){
dojo.addClass(this.node, "dojoDndSource");
}
this.targetState = "";
if(this.accept){
dojo.addClass(this.node, "dojoDndTarget");
}
if(this.horizontal){
dojo.addClass(this.node, "dojoDndHorizontal");
}
// set up events
this.topics = [
dojo.subscribe("/dnd/source/over", this, "onDndSourceOver"),
dojo.subscribe("/dnd/start", this, "onDndStart"),
dojo.subscribe("/dnd/drop", this, "onDndDrop"),
dojo.subscribe("/dnd/cancel", this, "onDndCancel")
];
},
// methods
checkAcceptance: function(source, nodes){
// summary: checks, if the target can accept nodes from this source
// source: Object: the source which provides items
// nodes: Array: the list of transferred items
if(this == source){ return true; }
for(var i = 0; i < nodes.length; ++i){
var type = source.getItem(nodes[i].id).type;
// type instanceof Array
var flag = false;
for(var j = 0; j < type.length; ++j){
if(type[j] in this.accept){
flag = true;
break;
}
}
if(!flag){
return false; // Boolean
}
}
return true; // Boolean
},
copyState: function(keyPressed){
// summary: Returns true, if we need to copy items, false to move.
// It is separated to be overwritten dynamically, if needed.
// keyPressed: Boolean: the "copy" was pressed
return this.copyOnly || keyPressed; // Boolean
},
destroy: function(){
// summary: prepares the object to be garbage-collected
dojo.dnd.Source.superclass.destroy.call(this);
dojo.forEach(this.topics, dojo.unsubscribe);
this.targetAnchor = null;
},
// markup methods
markupFactory: function(params, node){
params._skipStartup = true;
return new dojo.dnd.Source(node, params);
},
// mouse event processors
onMouseMove: function(e){
// summary: event processor for onmousemove
// e: Event: mouse event
if(this.isDragging && this.targetState == "Disabled"){ return; }
dojo.dnd.Source.superclass.onMouseMove.call(this, e);
var m = dojo.dnd.manager();
if(this.isDragging){
// calculate before/after
var before = false;
if(this.current){
if(!this.targetBox || this.targetAnchor != this.current){
this.targetBox = {
xy: dojo.coords(this.current, true),
w: this.current.offsetWidth,
h: this.current.offsetHeight
};
}
if(this.horizontal){
before = (e.pageX - this.targetBox.xy.x) < (this.targetBox.w / 2);
}else{
before = (e.pageY - this.targetBox.xy.y) < (this.targetBox.h / 2);
}
}
if(this.current != this.targetAnchor || before != this.before){
this._markTargetAnchor(before);
m.canDrop(!this.current || m.source != this || !(this.current.id in this.selection));
}
}else{
if(this.mouseDown && this.isSource){
var nodes = this.getSelectedNodes();
if(nodes.length){
m.startDrag(this, nodes, this.copyState(dojo.dnd.getCopyKeyState(e)));
}
}
}
},
onMouseDown: function(e){
// summary: event processor for onmousedown
// e: Event: mouse event
if(this._legalMouseDown(e) && (!this.skipForm || !dojo.dnd.isFormElement(e))){
this.mouseDown = true;
this.mouseButton = e.button;
dojo.dnd.Source.superclass.onMouseDown.call(this, e);
}
},
onMouseUp: function(e){
// summary: event processor for onmouseup
// e: Event: mouse event
if(this.mouseDown){
this.mouseDown = false;
dojo.dnd.Source.superclass.onMouseUp.call(this, e);
}
},
// topic event processors
onDndSourceOver: function(source){
// summary: topic event processor for /dnd/source/over, called when detected a current source
// source: Object: the source which has the mouse over it
if(this != source){
this.mouseDown = false;
if(this.targetAnchor){
this._unmarkTargetAnchor();
}
}else if(this.isDragging){
var m = dojo.dnd.manager();
m.canDrop(this.targetState != "Disabled" && (!this.current || m.source != this || !(this.current.id in this.selection)));
}
},
onDndStart: function(source, nodes, copy){
// summary: topic event processor for /dnd/start, called to initiate the DnD operation
// source: Object: the source which provides items
// nodes: Array: the list of transferred items
// copy: Boolean: copy items, if true, move items otherwise
if(this.isSource){
this._changeState("Source", this == source ? (copy ? "Copied" : "Moved") : "");
}
var accepted = this.accept && this.checkAcceptance(source, nodes);
this._changeState("Target", accepted ? "" : "Disabled");
if(accepted){
dojo.dnd.manager().overSource(this);
}
this.isDragging = true;
},
onDndDrop: function(source, nodes, copy){
// summary: topic event processor for /dnd/drop, called to finish the DnD operation
// source: Object: the source which provides items
// nodes: Array: the list of transferred items
// copy: Boolean: copy items, if true, move items otherwise
do{ //break box
if(this.containerState != "Over"){ break; }
var oldCreator = this._normalizedCreator;
if(this != source){
// transferring nodes from the source to the target
if(this.creator){
// use defined creator
this._normalizedCreator = function(node, hint){
return oldCreator.call(this, source.getItem(node.id).data, hint);
};
}else{
// we have no creator defined => move/clone nodes
if(copy){
// clone nodes
this._normalizedCreator = function(node, hint){
var t = source.getItem(node.id);
var n = node.cloneNode(true);
n.id = dojo.dnd.getUniqueId();
return {node: n, data: t.data, type: t.type};
};
}else{
// move nodes
this._normalizedCreator = function(node, hint){
var t = source.getItem(node.id);
source.delItem(node.id);
return {node: node, data: t.data, type: t.type};
};
}
}
}else{
// transferring nodes within the single source
if(this.current && this.current.id in this.selection){ break; }
if(this.creator){
// use defined creator
if(copy){
// create new copies of data items
this._normalizedCreator = function(node, hint){
return oldCreator.call(this, source.getItem(node.id).data, hint);
};
}else{
// move nodes
if(!this.current){ break; }
this._normalizedCreator = function(node, hint){
var t = source.getItem(node.id);
return {node: node, data: t.data, type: t.type};
};
}
}else{
// we have no creator defined => move/clone nodes
if(copy){
// clone nodes
this._normalizedCreator = function(node, hint){
var t = source.getItem(node.id);
var n = node.cloneNode(true);
n.id = dojo.dnd.getUniqueId();
return {node: n, data: t.data, type: t.type};
};
}else{
// move nodes
if(!this.current){ break; }
this._normalizedCreator = function(node, hint){
var t = source.getItem(node.id);
return {node: node, data: t.data, type: t.type};
};
}
}
}
this._removeSelection();
if(this != source){
this._removeAnchor();
}
if(this != source && !copy && !this.creator){
source.selectNone();
}
this.insertNodes(true, nodes, this.before, this.current);
if(this != source && !copy && this.creator){
source.deleteSelectedNodes();
}
this._normalizedCreator = oldCreator;
}while(false);
this.onDndCancel();
},
onDndCancel: function(){
// summary: topic event processor for /dnd/cancel, called to cancel the DnD operation
if(this.targetAnchor){
this._unmarkTargetAnchor();
this.targetAnchor = null;
}
this.before = true;
this.isDragging = false;
this.mouseDown = false;
this._changeState("Source", "");
this._changeState("Target", "");
},
// utilities
onOverEvent: function(){
// summary: this function is called once, when mouse is over our container
dojo.dnd.Source.superclass.onOverEvent.call(this);
dojo.dnd.manager().overSource(this);
},
onOutEvent: function(){
// summary: this function is called once, when mouse is out of our container
dojo.dnd.Source.superclass.onOutEvent.call(this);
dojo.dnd.manager().outSource(this);
},
_markTargetAnchor: function(before){
// summary: assigns a class to the current target anchor based on "before" status
// before: Boolean: insert before, if true, after otherwise
if(this.current == this.targetAnchor && this.before == before){ return; }
if(this.targetAnchor){
this._removeItemClass(this.targetAnchor, this.before ? "Before" : "After");
}
this.targetAnchor = this.current;
this.targetBox = null;
this.before = before;
if(this.targetAnchor){
this._addItemClass(this.targetAnchor, this.before ? "Before" : "After");
}
},
_unmarkTargetAnchor: function(){
// summary: removes a class of the current target anchor based on "before" status
if(!this.targetAnchor){ return; }
this._removeItemClass(this.targetAnchor, this.before ? "Before" : "After");
this.targetAnchor = null;
this.targetBox = null;
this.before = true;
},
_markDndStatus: function(copy){
// summary: changes source's state based on "copy" status
this._changeState("Source", copy ? "Copied" : "Moved");
},
_legalMouseDown: function(e){
// summary: checks if user clicked on "approved" items
// e: Event: mouse event
if(!this.withHandles){ return true; }
for(var node = e.target; node && !dojo.hasClass(node, "dojoDndItem"); node = node.parentNode){
if(dojo.hasClass(node, "dojoDndHandle")){ return true; }
}
return false; // Boolean
}
});
dojo.declare("dojo.dnd.Target", dojo.dnd.Source, {
// summary: a Target object, which can be used as a DnD target
constructor: function(node, params){
// summary: a constructor of the Target --- see the Source constructor for details
this.isSource = false;
dojo.removeClass(this.node, "dojoDndSource");
},
// markup methods
markupFactory: function(params, node){
params._skipStartup = true;
return new dojo.dnd.Target(node, params);
}
});
}

View File

@@ -1,75 +0,0 @@
if(!dojo._hasResource["dojo.dnd.Avatar"]){ //_hasResource checks added by build. Do not use _hasResource directly in your code.
dojo._hasResource["dojo.dnd.Avatar"] = true;
dojo.provide("dojo.dnd.Avatar");
dojo.require("dojo.dnd.common");
dojo.dnd.Avatar = function(manager){
// summary: an object, which represents transferred DnD items visually
// manager: Object: a DnD manager object
this.manager = manager;
this.construct();
};
dojo.extend(dojo.dnd.Avatar, {
construct: function(){
// summary: a constructor function;
// it is separate so it can be (dynamically) overwritten in case of need
var a = dojo.doc.createElement("table");
a.className = "dojoDndAvatar";
a.style.position = "absolute";
a.style.zIndex = 1999;
a.style.margin = "0px"; // to avoid dojo.marginBox() problems with table's margins
var b = dojo.doc.createElement("tbody");
var tr = dojo.doc.createElement("tr");
tr.className = "dojoDndAvatarHeader";
var td = dojo.doc.createElement("td");
td.innerHTML = this._generateText();
tr.appendChild(td);
dojo.style(tr, "opacity", 0.9);
b.appendChild(tr);
var k = Math.min(5, this.manager.nodes.length);
var source = this.manager.source;
for(var i = 0; i < k; ++i){
tr = dojo.doc.createElement("tr");
tr.className = "dojoDndAvatarItem";
td = dojo.doc.createElement("td");
var node = source.creator ?
// create an avatar representation of the node
node = source._normalizedCreator(source.getItem(this.manager.nodes[i].id).data, "avatar").node :
// or just clone the node and hope it works
node = this.manager.nodes[i].cloneNode(true);
node.id = "";
td.appendChild(node);
tr.appendChild(td);
dojo.style(tr, "opacity", (9 - i) / 10);
b.appendChild(tr);
}
a.appendChild(b);
this.node = a;
},
destroy: function(){
// summary: a desctructor for the avatar, called to remove all references so it can be garbage-collected
dojo._destroyElement(this.node);
this.node = false;
},
update: function(){
// summary: updates the avatar to reflect the current DnD state
dojo[(this.manager.canDropFlag ? "add" : "remove") + "Class"](this.node, "dojoDndAvatarCanDrop");
// replace text
var t = this.node.getElementsByTagName("td");
for(var i = 0; i < t.length; ++i){
var n = t[i];
if(dojo.hasClass(n.parentNode, "dojoDndAvatarHeader")){
n.innerHTML = this._generateText();
break;
}
}
},
_generateText: function(){
// summary: generates a proper text to reflect copying or moving of items
return this.manager.nodes.length.toString();
}
});
}

View File

@@ -1,311 +0,0 @@
if(!dojo._hasResource["dojo.dnd.Container"]){ //_hasResource checks added by build. Do not use _hasResource directly in your code.
dojo._hasResource["dojo.dnd.Container"] = true;
dojo.provide("dojo.dnd.Container");
dojo.require("dojo.dnd.common");
dojo.require("dojo.parser");
/*
Container states:
"" - normal state
"Over" - mouse over a container
Container item states:
"" - normal state
"Over" - mouse over a container item
*/
dojo.declare("dojo.dnd.Container", null, {
// summary: a Container object, which knows when mouse hovers over it,
// and know over which element it hovers
// object attributes (for markup)
skipForm: false,
constructor: function(node, params){
// summary: a constructor of the Container
// node: Node: node or node's id to build the container on
// params: Object: a dict of parameters, recognized parameters are:
// creator: Function: a creator function, which takes a data item, and returns an object like that:
// {node: newNode, data: usedData, type: arrayOfStrings}
// skipForm: Boolean: don't start the drag operation, if clicked on form elements
// _skipStartup: Boolean: skip startup(), which collects children, for deferred initialization
// (this is used in the markup mode)
this.node = dojo.byId(node);
if(!params){ params = {}; }
this.creator = params.creator || null;
this.skipForm = params.skipForm;
this.defaultCreator = dojo.dnd._defaultCreator(this.node);
// class-specific variables
this.map = {};
this.current = null;
// states
this.containerState = "";
dojo.addClass(this.node, "dojoDndContainer");
// mark up children
if(!(params && params._skipStartup)){
this.startup();
}
// set up events
this.events = [
dojo.connect(this.node, "onmouseover", this, "onMouseOver"),
dojo.connect(this.node, "onmouseout", this, "onMouseOut"),
// cancel text selection and text dragging
dojo.connect(this.node, "ondragstart", this, "onSelectStart"),
dojo.connect(this.node, "onselectstart", this, "onSelectStart")
];
},
// object attributes (for markup)
creator: function(){}, // creator function, dummy at the moment
// abstract access to the map
getItem: function(/*String*/ key){
// summary: returns a data item by its key (id)
return this.map[key]; // Object
},
setItem: function(/*String*/ key, /*Object*/ data){
// summary: associates a data item with its key (id)
this.map[key] = data;
},
delItem: function(/*String*/ key){
// summary: removes a data item from the map by its key (id)
delete this.map[key];
},
forInItems: function(/*Function*/ f, /*Object?*/ o){
// summary: iterates over a data map skipping members, which
// are present in the empty object (IE and/or 3rd-party libraries).
o = o || dojo.global;
var m = this.map, e = dojo.dnd._empty;
for(var i in this.map){
if(i in e){ continue; }
f.call(o, m[i], i, m);
}
},
clearItems: function(){
// summary: removes all data items from the map
this.map = {};
},
// methods
getAllNodes: function(){
// summary: returns a list (an array) of all valid child nodes
return dojo.query("> .dojoDndItem", this.parent); // NodeList
},
insertNodes: function(data, before, anchor){
// summary: inserts an array of new nodes before/after an anchor node
// data: Array: a list of data items, which should be processed by the creator function
// before: Boolean: insert before the anchor, if true, and after the anchor otherwise
// anchor: Node: the anchor node to be used as a point of insertion
if(!this.parent.firstChild){
anchor = null;
}else if(before){
if(!anchor){
anchor = this.parent.firstChild;
}
}else{
if(anchor){
anchor = anchor.nextSibling;
}
}
if(anchor){
for(var i = 0; i < data.length; ++i){
var t = this._normalizedCreator(data[i]);
this.setItem(t.node.id, {data: t.data, type: t.type});
this.parent.insertBefore(t.node, anchor);
}
}else{
for(var i = 0; i < data.length; ++i){
var t = this._normalizedCreator(data[i]);
this.setItem(t.node.id, {data: t.data, type: t.type});
this.parent.appendChild(t.node);
}
}
return this; // self
},
destroy: function(){
// summary: prepares the object to be garbage-collected
dojo.forEach(this.events, dojo.disconnect);
this.clearItems();
this.node = this.parent = this.current;
},
// markup methods
markupFactory: function(params, node){
params._skipStartup = true;
return new dojo.dnd.Container(node, params);
},
startup: function(){
// summary: collects valid child items and populate the map
// set up the real parent node
this.parent = this.node;
if(this.parent.tagName.toLowerCase() == "table"){
var c = this.parent.getElementsByTagName("tbody");
if(c && c.length){ this.parent = c[0]; }
}
// process specially marked children
dojo.query("> .dojoDndItem", this.parent).forEach(function(node){
if(!node.id){ node.id = dojo.dnd.getUniqueId(); }
var type = node.getAttribute("dndType"),
data = node.getAttribute("dndData");
this.setItem(node.id, {
data: data ? data : node.innerHTML,
type: type ? type.split(/\s*,\s*/) : ["text"]
});
}, this);
},
// mouse events
onMouseOver: function(e){
// summary: event processor for onmouseover
// e: Event: mouse event
var n = e.relatedTarget;
while(n){
if(n == this.node){ break; }
try{
n = n.parentNode;
}catch(x){
n = null;
}
}
if(!n){
this._changeState("Container", "Over");
this.onOverEvent();
}
n = this._getChildByEvent(e);
if(this.current == n){ return; }
if(this.current){ this._removeItemClass(this.current, "Over"); }
if(n){ this._addItemClass(n, "Over"); }
this.current = n;
},
onMouseOut: function(e){
// summary: event processor for onmouseout
// e: Event: mouse event
for(var n = e.relatedTarget; n;){
if(n == this.node){ return; }
try{
n = n.parentNode;
}catch(x){
n = null;
}
}
if(this.current){
this._removeItemClass(this.current, "Over");
this.current = null;
}
this._changeState("Container", "");
this.onOutEvent();
},
onSelectStart: function(e){
// summary: event processor for onselectevent and ondragevent
// e: Event: mouse event
if(!this.skipForm || !dojo.dnd.isFormElement(e)){
dojo.stopEvent(e);
}
},
// utilities
onOverEvent: function(){
// summary: this function is called once, when mouse is over our container
},
onOutEvent: function(){
// summary: this function is called once, when mouse is out of our container
},
_changeState: function(type, newState){
// summary: changes a named state to new state value
// type: String: a name of the state to change
// newState: String: new state
var prefix = "dojoDnd" + type;
var state = type.toLowerCase() + "State";
//dojo.replaceClass(this.node, prefix + newState, prefix + this[state]);
dojo.removeClass(this.node, prefix + this[state]);
dojo.addClass(this.node, prefix + newState);
this[state] = newState;
},
_addItemClass: function(node, type){
// summary: adds a class with prefix "dojoDndItem"
// node: Node: a node
// type: String: a variable suffix for a class name
dojo.addClass(node, "dojoDndItem" + type);
},
_removeItemClass: function(node, type){
// summary: removes a class with prefix "dojoDndItem"
// node: Node: a node
// type: String: a variable suffix for a class name
dojo.removeClass(node, "dojoDndItem" + type);
},
_getChildByEvent: function(e){
// summary: gets a child, which is under the mouse at the moment, or null
// e: Event: a mouse event
var node = e.target;
if(node){
for(var parent = node.parentNode; parent; node = parent, parent = node.parentNode){
if(parent == this.parent && dojo.hasClass(node, "dojoDndItem")){ return node; }
}
}
return null;
},
_normalizedCreator: function(item, hint){
// summary: adds all necessary data to the output of the user-supplied creator function
var t = (this.creator ? this.creator : this.defaultCreator)(item, hint);
if(!dojo.isArray(t.type)){ t.type = ["text"]; }
if(!t.node.id){ t.node.id = dojo.dnd.getUniqueId(); }
dojo.addClass(t.node, "dojoDndItem");
return t;
}
});
dojo.dnd._createNode = function(tag){
// summary: returns a function, which creates an element of given tag
// (SPAN by default) and sets its innerHTML to given text
// tag: String: a tag name or empty for SPAN
if(!tag){ return dojo.dnd._createSpan; }
return function(text){ // Function
var n = dojo.doc.createElement(tag);
n.innerHTML = text;
return n;
};
};
dojo.dnd._createTrTd = function(text){
// summary: creates a TR/TD structure with given text as an innerHTML of TD
// text: String: a text for TD
var tr = dojo.doc.createElement("tr");
var td = dojo.doc.createElement("td");
td.innerHTML = text;
tr.appendChild(td);
return tr; // Node
};
dojo.dnd._createSpan = function(text){
// summary: creates a SPAN element with given text as its innerHTML
// text: String: a text for SPAN
var n = dojo.doc.createElement("span");
n.innerHTML = text;
return n; // Node
};
// dojo.dnd._defaultCreatorNodes: Object: a dicitionary, which maps container tag names to child tag names
dojo.dnd._defaultCreatorNodes = {ul: "li", ol: "li", div: "div", p: "div"};
dojo.dnd._defaultCreator = function(node){
// summary: takes a container node, and returns an appropriate creator function
// node: Node: a container node
var tag = node.tagName.toLowerCase();
var c = tag == "table" ? dojo.dnd._createTrTd : dojo.dnd._createNode(dojo.dnd._defaultCreatorNodes[tag]);
return function(item, hint){ // Function
var isObj = dojo.isObject(item) && item;
var data = (isObj && item.data) ? item.data : item;
var type = (isObj && item.type) ? item.type : ["text"];
var t = String(data), n = (hint == "avatar" ? dojo.dnd._createSpan : c)(t);
n.id = dojo.dnd.getUniqueId();
return {node: n, data: data, type: type};
};
};
}

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@@ -1,175 +0,0 @@
if(!dojo._hasResource["dojo.dnd.Manager"]){ //_hasResource checks added by build. Do not use _hasResource directly in your code.
dojo._hasResource["dojo.dnd.Manager"] = true;
dojo.provide("dojo.dnd.Manager");
dojo.require("dojo.dnd.common");
dojo.require("dojo.dnd.autoscroll");
dojo.require("dojo.dnd.Avatar");
dojo.dnd.Manager = function(){
// summary: the manager of DnD operations (usually a singleton)
this.avatar = null;
this.source = null;
this.nodes = [];
this.copy = true;
this.target = null;
this.canDropFlag = false;
this.events = [];
};
dojo.extend(dojo.dnd.Manager, {
// avatar's offset from the mouse
OFFSET_X: 16,
OFFSET_Y: 16,
// methods
overSource: function(source){
// summary: called when a source detected a mouse-over conditiion
// source: Object: the reporter
if(this.avatar){
this.target = (source && source.targetState != "Disabled") ? source : null;
this.avatar.update();
}
dojo.publish("/dnd/source/over", [source]);
},
outSource: function(source){
// summary: called when a source detected a mouse-out conditiion
// source: Object: the reporter
if(this.avatar){
if(this.target == source){
this.target = null;
this.canDropFlag = false;
this.avatar.update();
dojo.publish("/dnd/source/over", [null]);
}
}else{
dojo.publish("/dnd/source/over", [null]);
}
},
startDrag: function(source, nodes, copy){
// summary: called to initiate the DnD operation
// source: Object: the source which provides items
// nodes: Array: the list of transferred items
// copy: Boolean: copy items, if true, move items otherwise
this.source = source;
this.nodes = nodes;
this.copy = Boolean(copy); // normalizing to true boolean
this.avatar = this.makeAvatar();
dojo.body().appendChild(this.avatar.node);
dojo.publish("/dnd/start", [source, nodes, this.copy]);
this.events = [
dojo.connect(dojo.doc, "onmousemove", this, "onMouseMove"),
dojo.connect(dojo.doc, "onmouseup", this, "onMouseUp"),
dojo.connect(dojo.doc, "onkeydown", this, "onKeyDown"),
dojo.connect(dojo.doc, "onkeyup", this, "onKeyUp")
];
var c = "dojoDnd" + (copy ? "Copy" : "Move");
dojo.addClass(dojo.body(), c);
},
canDrop: function(flag){
// summary: called to notify if the current target can accept items
var canDropFlag = this.target && flag;
if(this.canDropFlag != canDropFlag){
this.canDropFlag = canDropFlag;
this.avatar.update();
}
},
stopDrag: function(){
// summary: stop the DnD in progress
dojo.removeClass(dojo.body(), "dojoDndCopy");
dojo.removeClass(dojo.body(), "dojoDndMove");
dojo.forEach(this.events, dojo.disconnect);
this.events = [];
this.avatar.destroy();
this.avatar = null;
this.source = null;
this.nodes = [];
},
makeAvatar: function(){
// summary: makes the avatar, it is separate to be overwritten dynamically, if needed
return new dojo.dnd.Avatar(this);
},
updateAvatar: function(){
// summary: updates the avatar, it is separate to be overwritten dynamically, if needed
this.avatar.update();
},
// mouse event processors
onMouseMove: function(e){
// summary: event processor for onmousemove
// e: Event: mouse event
var a = this.avatar;
if(a){
//dojo.dnd.autoScrollNodes(e);
dojo.dnd.autoScroll(e);
dojo.marginBox(a.node, {l: e.pageX + this.OFFSET_X, t: e.pageY + this.OFFSET_Y});
var copy = Boolean(this.source.copyState(dojo.dnd.getCopyKeyState(e)));
if(this.copy != copy){
this._setCopyStatus(copy);
}
}
},
onMouseUp: function(e){
// summary: event processor for onmouseup
// e: Event: mouse event
if(this.avatar && this.source.mouseButton == e.button){
if(this.target && this.canDropFlag){
dojo.publish("/dnd/drop", [this.source, this.nodes, Boolean(this.source.copyState(dojo.dnd.getCopyKeyState(e)))]);
}else{
dojo.publish("/dnd/cancel");
}
this.stopDrag();
}
},
// keyboard event processors
onKeyDown: function(e){
// summary: event processor for onkeydown:
// watching for CTRL for copy/move status, watching for ESCAPE to cancel the drag
// e: Event: keyboard event
if(this.avatar){
switch(e.keyCode){
case dojo.keys.CTRL:
var copy = Boolean(this.source.copyState(true));
if(this.copy != copy){
this._setCopyStatus(copy);
}
break;
case dojo.keys.ESCAPE:
dojo.publish("/dnd/cancel");
this.stopDrag();
break;
}
}
},
onKeyUp: function(e){
// summary: event processor for onkeyup, watching for CTRL for copy/move status
// e: Event: keyboard event
if(this.avatar && e.keyCode == dojo.keys.CTRL){
var copy = Boolean(this.source.copyState(false));
if(this.copy != copy){
this._setCopyStatus(copy);
}
}
},
// utilities
_setCopyStatus: function(copy){
// summary: changes the copy status
// copy: Boolean: the copy status
this.copy = copy;
this.source._markDndStatus(this.copy);
this.updateAvatar();
dojo.removeClass(dojo.body(), "dojoDnd" + (this.copy ? "Move" : "Copy"));
dojo.addClass(dojo.body(), "dojoDnd" + (this.copy ? "Copy" : "Move"));
}
});
// summary: the manager singleton variable, can be overwritten, if needed
dojo.dnd._manager = null;
dojo.dnd.manager = function(){
// summary: returns the current DnD manager, creates one if it is not created yet
if(!dojo.dnd._manager){
dojo.dnd._manager = new dojo.dnd.Manager();
}
return dojo.dnd._manager; // Object
};
}

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@@ -1,244 +0,0 @@
if(!dojo._hasResource["dojo.dnd.Selector"]){ //_hasResource checks added by build. Do not use _hasResource directly in your code.
dojo._hasResource["dojo.dnd.Selector"] = true;
dojo.provide("dojo.dnd.Selector");
dojo.require("dojo.dnd.common");
dojo.require("dojo.dnd.Container");
/*
Container item states:
"" - an item is not selected
"Selected" - an item is selected
"Anchor" - an item is selected, and is an anchor for a "shift" selection
*/
dojo.declare("dojo.dnd.Selector", dojo.dnd.Container, {
// summary: a Selector object, which knows how to select its children
constructor: function(node, params){
// summary: a constructor of the Selector
// node: Node: node or node's id to build the selector on
// params: Object: a dict of parameters, recognized parameters are:
// singular: Boolean: allows selection of only one element, if true
// the rest of parameters are passed to the container
if(!params){ params = {}; }
this.singular = params.singular;
// class-specific variables
this.selection = {};
this.anchor = null;
this.simpleSelection = false;
// set up events
this.events.push(
dojo.connect(this.node, "onmousedown", this, "onMouseDown"),
dojo.connect(this.node, "onmouseup", this, "onMouseUp"));
},
// object attributes (for markup)
singular: false, // is singular property
// methods
getSelectedNodes: function(){
// summary: returns a list (an array) of selected nodes
var t = new dojo.NodeList();
var e = dojo.dnd._empty;
for(var i in this.selection){
if(i in e){ continue; }
t.push(dojo.byId(i));
}
return t; // Array
},
selectNone: function(){
// summary: unselects all items
return this._removeSelection()._removeAnchor(); // self
},
selectAll: function(){
// summary: selects all items
this.forInItems(function(data, id){
this._addItemClass(dojo.byId(id), "Selected");
this.selection[id] = 1;
}, this);
return this._removeAnchor(); // self
},
deleteSelectedNodes: function(){
// summary: deletes all selected items
var e = dojo.dnd._empty;
for(var i in this.selection){
if(i in e){ continue; }
var n = dojo.byId(i);
this.delItem(i);
dojo._destroyElement(n);
}
this.anchor = null;
this.selection = {};
return this; // self
},
insertNodes: function(addSelected, data, before, anchor){
// summary: inserts new data items (see Container's insertNodes method for details)
// addSelected: Boolean: all new nodes will be added to selected items, if true, no selection change otherwise
// data: Array: a list of data items, which should be processed by the creator function
// before: Boolean: insert before the anchor, if true, and after the anchor otherwise
// anchor: Node: the anchor node to be used as a point of insertion
var oldCreator = this._normalizedCreator;
this._normalizedCreator = function(item, hint){
var t = oldCreator.call(this, item, hint);
if(addSelected){
if(!this.anchor){
this.anchor = t.node;
this._removeItemClass(t.node, "Selected");
this._addItemClass(this.anchor, "Anchor");
}else if(this.anchor != t.node){
this._removeItemClass(t.node, "Anchor");
this._addItemClass(t.node, "Selected");
}
this.selection[t.node.id] = 1;
}else{
this._removeItemClass(t.node, "Selected");
this._removeItemClass(t.node, "Anchor");
}
return t;
};
dojo.dnd.Selector.superclass.insertNodes.call(this, data, before, anchor);
this._normalizedCreator = oldCreator;
return this; // self
},
destroy: function(){
// summary: prepares the object to be garbage-collected
dojo.dnd.Selector.superclass.destroy.call(this);
this.selection = this.anchor = null;
},
// markup methods
markupFactory: function(params, node){
params._skipStartup = true;
return new dojo.dnd.Selector(node, params);
},
// mouse events
onMouseDown: function(e){
// summary: event processor for onmousedown
// e: Event: mouse event
if(!this.current){ return; }
if(!this.singular && !dojo.dnd.getCopyKeyState(e) && !e.shiftKey && (this.current.id in this.selection)){
this.simpleSelection = true;
dojo.stopEvent(e);
return;
}
if(!this.singular && e.shiftKey){
if(!dojo.dnd.getCopyKeyState(e)){
this._removeSelection();
}
var c = dojo.query("> .dojoDndItem", this.parent);
if(c.length){
if(!this.anchor){
this.anchor = c[0];
this._addItemClass(this.anchor, "Anchor");
}
this.selection[this.anchor.id] = 1;
if(this.anchor != this.current){
var i = 0;
for(; i < c.length; ++i){
var node = c[i];
if(node == this.anchor || node == this.current){ break; }
}
for(++i; i < c.length; ++i){
var node = c[i];
if(node == this.anchor || node == this.current){ break; }
this._addItemClass(node, "Selected");
this.selection[node.id] = 1;
}
this._addItemClass(this.current, "Selected");
this.selection[this.current.id] = 1;
}
}
}else{
if(this.singular){
if(this.anchor == this.current){
if(dojo.dnd.getCopyKeyState(e)){
this.selectNone();
}
}else{
this.selectNone();
this.anchor = this.current;
this._addItemClass(this.anchor, "Anchor");
this.selection[this.current.id] = 1;
}
}else{
if(dojo.dnd.getCopyKeyState(e)){
if(this.anchor == this.current){
delete this.selection[this.anchor.id];
this._removeAnchor();
}else{
if(this.current.id in this.selection){
this._removeItemClass(this.current, "Selected");
delete this.selection[this.current.id];
}else{
if(this.anchor){
this._removeItemClass(this.anchor, "Anchor");
this._addItemClass(this.anchor, "Selected");
}
this.anchor = this.current;
this._addItemClass(this.current, "Anchor");
this.selection[this.current.id] = 1;
}
}
}else{
if(!(this.current.id in this.selection)){
this.selectNone();
this.anchor = this.current;
this._addItemClass(this.current, "Anchor");
this.selection[this.current.id] = 1;
}
}
}
}
dojo.stopEvent(e);
},
onMouseUp: function(e){
// summary: event processor for onmouseup
// e: Event: mouse event
if(!this.simpleSelection){ return; }
this.simpleSelection = false;
this.selectNone();
if(this.current){
this.anchor = this.current;
this._addItemClass(this.anchor, "Anchor");
this.selection[this.current.id] = 1;
}
},
onMouseMove: function(e){
// summary: event processor for onmousemove
// e: Event: mouse event
this.simpleSelection = false;
},
// utilities
onOverEvent: function(){
// summary: this function is called once, when mouse is over our container
this.onmousemoveEvent = dojo.connect(this.node, "onmousemove", this, "onMouseMove");
},
onOutEvent: function(){
// summary: this function is called once, when mouse is out of our container
dojo.disconnect(this.onmousemoveEvent);
delete this.onmousemoveEvent;
},
_removeSelection: function(){
// summary: unselects all items
var e = dojo.dnd._empty;
for(var i in this.selection){
if(i in e){ continue; }
var node = dojo.byId(i);
if(node){ this._removeItemClass(node, "Selected"); }
}
this.selection = {};
return this; // self
},
_removeAnchor: function(){
if(this.anchor){
this._removeItemClass(this.anchor, "Anchor");
this.anchor = null;
}
return this; // self
}
});
}

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@@ -1,374 +0,0 @@
if(!dojo._hasResource["dojo.dnd.Source"]){ //_hasResource checks added by build. Do not use _hasResource directly in your code.
dojo._hasResource["dojo.dnd.Source"] = true;
dojo.provide("dojo.dnd.Source");
dojo.require("dojo.dnd.Selector");
dojo.require("dojo.dnd.Manager");
/*
Container property:
"Horizontal"- if this is the horizontal container
Source states:
"" - normal state
"Moved" - this source is being moved
"Copied" - this source is being copied
Target states:
"" - normal state
"Disabled" - the target cannot accept an avatar
Target anchor state:
"" - item is not selected
"Before" - insert point is before the anchor
"After" - insert point is after the anchor
*/
dojo.declare("dojo.dnd.Source", dojo.dnd.Selector, {
// summary: a Source object, which can be used as a DnD source, or a DnD target
// object attributes (for markup)
isSource: true,
horizontal: false,
copyOnly: false,
skipForm: false,
withHandles: false,
accept: ["text"],
constructor: function(node, params){
// summary: a constructor of the Source
// node: Node: node or node's id to build the source on
// params: Object: a dict of parameters, recognized parameters are:
// isSource: Boolean: can be used as a DnD source, if true; assumed to be "true" if omitted
// accept: Array: list of accepted types (text strings) for a target; assumed to be ["text"] if omitted
// horizontal: Boolean: a horizontal container, if true, vertical otherwise or when omitted
// copyOnly: Boolean: always copy items, if true, use a state of Ctrl key otherwise
// withHandles: Boolean: allows dragging only by handles
// the rest of parameters are passed to the selector
if(!params){ params = {}; }
this.isSource = typeof params.isSource == "undefined" ? true : params.isSource;
var type = params.accept instanceof Array ? params.accept : ["text"];
this.accept = null;
if(type.length){
this.accept = {};
for(var i = 0; i < type.length; ++i){
this.accept[type[i]] = 1;
}
}
this.horizontal = params.horizontal;
this.copyOnly = params.copyOnly;
this.withHandles = params.withHandles;
// class-specific variables
this.isDragging = false;
this.mouseDown = false;
this.targetAnchor = null;
this.targetBox = null;
this.before = true;
// states
this.sourceState = "";
if(this.isSource){
dojo.addClass(this.node, "dojoDndSource");
}
this.targetState = "";
if(this.accept){
dojo.addClass(this.node, "dojoDndTarget");
}
if(this.horizontal){
dojo.addClass(this.node, "dojoDndHorizontal");
}
// set up events
this.topics = [
dojo.subscribe("/dnd/source/over", this, "onDndSourceOver"),
dojo.subscribe("/dnd/start", this, "onDndStart"),
dojo.subscribe("/dnd/drop", this, "onDndDrop"),
dojo.subscribe("/dnd/cancel", this, "onDndCancel")
];
},
// methods
checkAcceptance: function(source, nodes){
// summary: checks, if the target can accept nodes from this source
// source: Object: the source which provides items
// nodes: Array: the list of transferred items
if(this == source){ return true; }
for(var i = 0; i < nodes.length; ++i){
var type = source.getItem(nodes[i].id).type;
// type instanceof Array
var flag = false;
for(var j = 0; j < type.length; ++j){
if(type[j] in this.accept){
flag = true;
break;
}
}
if(!flag){
return false; // Boolean
}
}
return true; // Boolean
},
copyState: function(keyPressed){
// summary: Returns true, if we need to copy items, false to move.
// It is separated to be overwritten dynamically, if needed.
// keyPressed: Boolean: the "copy" was pressed
return this.copyOnly || keyPressed; // Boolean
},
destroy: function(){
// summary: prepares the object to be garbage-collected
dojo.dnd.Source.superclass.destroy.call(this);
dojo.forEach(this.topics, dojo.unsubscribe);
this.targetAnchor = null;
},
// markup methods
markupFactory: function(params, node){
params._skipStartup = true;
return new dojo.dnd.Source(node, params);
},
// mouse event processors
onMouseMove: function(e){
// summary: event processor for onmousemove
// e: Event: mouse event
if(this.isDragging && this.targetState == "Disabled"){ return; }
dojo.dnd.Source.superclass.onMouseMove.call(this, e);
var m = dojo.dnd.manager();
if(this.isDragging){
// calculate before/after
var before = false;
if(this.current){
if(!this.targetBox || this.targetAnchor != this.current){
this.targetBox = {
xy: dojo.coords(this.current, true),
w: this.current.offsetWidth,
h: this.current.offsetHeight
};
}
if(this.horizontal){
before = (e.pageX - this.targetBox.xy.x) < (this.targetBox.w / 2);
}else{
before = (e.pageY - this.targetBox.xy.y) < (this.targetBox.h / 2);
}
}
if(this.current != this.targetAnchor || before != this.before){
this._markTargetAnchor(before);
m.canDrop(!this.current || m.source != this || !(this.current.id in this.selection));
}
}else{
if(this.mouseDown && this.isSource){
var nodes = this.getSelectedNodes();
if(nodes.length){
m.startDrag(this, nodes, this.copyState(dojo.dnd.getCopyKeyState(e)));
}
}
}
},
onMouseDown: function(e){
// summary: event processor for onmousedown
// e: Event: mouse event
if(this._legalMouseDown(e) && (!this.skipForm || !dojo.dnd.isFormElement(e))){
this.mouseDown = true;
this.mouseButton = e.button;
dojo.dnd.Source.superclass.onMouseDown.call(this, e);
}
},
onMouseUp: function(e){
// summary: event processor for onmouseup
// e: Event: mouse event
if(this.mouseDown){
this.mouseDown = false;
dojo.dnd.Source.superclass.onMouseUp.call(this, e);
}
},
// topic event processors
onDndSourceOver: function(source){
// summary: topic event processor for /dnd/source/over, called when detected a current source
// source: Object: the source which has the mouse over it
if(this != source){
this.mouseDown = false;
if(this.targetAnchor){
this._unmarkTargetAnchor();
}
}else if(this.isDragging){
var m = dojo.dnd.manager();
m.canDrop(this.targetState != "Disabled" && (!this.current || m.source != this || !(this.current.id in this.selection)));
}
},
onDndStart: function(source, nodes, copy){
// summary: topic event processor for /dnd/start, called to initiate the DnD operation
// source: Object: the source which provides items
// nodes: Array: the list of transferred items
// copy: Boolean: copy items, if true, move items otherwise
if(this.isSource){
this._changeState("Source", this == source ? (copy ? "Copied" : "Moved") : "");
}
var accepted = this.accept && this.checkAcceptance(source, nodes);
this._changeState("Target", accepted ? "" : "Disabled");
if(accepted){
dojo.dnd.manager().overSource(this);
}
this.isDragging = true;
},
onDndDrop: function(source, nodes, copy){
// summary: topic event processor for /dnd/drop, called to finish the DnD operation
// source: Object: the source which provides items
// nodes: Array: the list of transferred items
// copy: Boolean: copy items, if true, move items otherwise
do{ //break box
if(this.containerState != "Over"){ break; }
var oldCreator = this._normalizedCreator;
if(this != source){
// transferring nodes from the source to the target
if(this.creator){
// use defined creator
this._normalizedCreator = function(node, hint){
return oldCreator.call(this, source.getItem(node.id).data, hint);
};
}else{
// we have no creator defined => move/clone nodes
if(copy){
// clone nodes
this._normalizedCreator = function(node, hint){
var t = source.getItem(node.id);
var n = node.cloneNode(true);
n.id = dojo.dnd.getUniqueId();
return {node: n, data: t.data, type: t.type};
};
}else{
// move nodes
this._normalizedCreator = function(node, hint){
var t = source.getItem(node.id);
source.delItem(node.id);
return {node: node, data: t.data, type: t.type};
};
}
}
}else{
// transferring nodes within the single source
if(this.current && this.current.id in this.selection){ break; }
if(this.creator){
// use defined creator
if(copy){
// create new copies of data items
this._normalizedCreator = function(node, hint){
return oldCreator.call(this, source.getItem(node.id).data, hint);
};
}else{
// move nodes
if(!this.current){ break; }
this._normalizedCreator = function(node, hint){
var t = source.getItem(node.id);
return {node: node, data: t.data, type: t.type};
};
}
}else{
// we have no creator defined => move/clone nodes
if(copy){
// clone nodes
this._normalizedCreator = function(node, hint){
var t = source.getItem(node.id);
var n = node.cloneNode(true);
n.id = dojo.dnd.getUniqueId();
return {node: n, data: t.data, type: t.type};
};
}else{
// move nodes
if(!this.current){ break; }
this._normalizedCreator = function(node, hint){
var t = source.getItem(node.id);
return {node: node, data: t.data, type: t.type};
};
}
}
}
this._removeSelection();
if(this != source){
this._removeAnchor();
}
if(this != source && !copy && !this.creator){
source.selectNone();
}
this.insertNodes(true, nodes, this.before, this.current);
if(this != source && !copy && this.creator){
source.deleteSelectedNodes();
}
this._normalizedCreator = oldCreator;
}while(false);
this.onDndCancel();
},
onDndCancel: function(){
// summary: topic event processor for /dnd/cancel, called to cancel the DnD operation
if(this.targetAnchor){
this._unmarkTargetAnchor();
this.targetAnchor = null;
}
this.before = true;
this.isDragging = false;
this.mouseDown = false;
this._changeState("Source", "");
this._changeState("Target", "");
},
// utilities
onOverEvent: function(){
// summary: this function is called once, when mouse is over our container
dojo.dnd.Source.superclass.onOverEvent.call(this);
dojo.dnd.manager().overSource(this);
},
onOutEvent: function(){
// summary: this function is called once, when mouse is out of our container
dojo.dnd.Source.superclass.onOutEvent.call(this);
dojo.dnd.manager().outSource(this);
},
_markTargetAnchor: function(before){
// summary: assigns a class to the current target anchor based on "before" status
// before: Boolean: insert before, if true, after otherwise
if(this.current == this.targetAnchor && this.before == before){ return; }
if(this.targetAnchor){
this._removeItemClass(this.targetAnchor, this.before ? "Before" : "After");
}
this.targetAnchor = this.current;
this.targetBox = null;
this.before = before;
if(this.targetAnchor){
this._addItemClass(this.targetAnchor, this.before ? "Before" : "After");
}
},
_unmarkTargetAnchor: function(){
// summary: removes a class of the current target anchor based on "before" status
if(!this.targetAnchor){ return; }
this._removeItemClass(this.targetAnchor, this.before ? "Before" : "After");
this.targetAnchor = null;
this.targetBox = null;
this.before = true;
},
_markDndStatus: function(copy){
// summary: changes source's state based on "copy" status
this._changeState("Source", copy ? "Copied" : "Moved");
},
_legalMouseDown: function(e){
// summary: checks if user clicked on "approved" items
// e: Event: mouse event
if(!this.withHandles){ return true; }
for(var node = e.target; node && !dojo.hasClass(node, "dojoDndItem"); node = node.parentNode){
if(dojo.hasClass(node, "dojoDndHandle")){ return true; }
}
return false; // Boolean
}
});
dojo.declare("dojo.dnd.Target", dojo.dnd.Source, {
// summary: a Target object, which can be used as a DnD target
constructor: function(node, params){
// summary: a constructor of the Target --- see the Source constructor for details
this.isSource = false;
dojo.removeClass(this.node, "dojoDndSource");
},
// markup methods
markupFactory: function(params, node){
params._skipStartup = true;
return new dojo.dnd.Target(node, params);
}
});
}