Default spring-faces component support now based on Dojo. Ext support moved to faces-ext tag namespace.
This commit is contained in:
Jeremy Grelle
298
spring-faces/src/main/java/META-INF/dojo/dnd/container.js
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298
spring-faces/src/main/java/META-INF/dojo/dnd/container.js
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if(!dojo._hasResource["dojo.dnd.container"]){ //_hasResource checks added by build. Do not use _hasResource directly in your code.
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dojo._hasResource["dojo.dnd.container"] = true;
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dojo.provide("dojo.dnd.container");
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dojo.require("dojo.dnd.common");
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dojo.require("dojo.parser");
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/*
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Container states:
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"" - normal state
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"Over" - mouse over a container
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Container item states:
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"" - normal state
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"Over" - mouse over a container item
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*/
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dojo.declare("dojo.dnd.Container", null, {
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// summary: a Container object, which knows when mouse hovers over it,
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// and know over which element it hovers
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constructor: function(node, params){
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// summary: a constructor of the Container
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// node: Node: node or node's id to build the container on
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// params: Object: a dict of parameters, recognized parameters are:
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// creator: Function: a creator function, which takes a data item, and returns an object like that:
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// {node: newNode, data: usedData, type: arrayOfStrings}
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// _skipStartup: Boolean: skip startup(), which collects children, for deferred initialization
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// (this is used in the markup mode)
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this.node = dojo.byId(node);
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this.creator = params && params.creator || null;
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this.defaultCreator = dojo.dnd._defaultCreator(this.node);
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// class-specific variables
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this.map = {};
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this.current = null;
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// states
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this.containerState = "";
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dojo.addClass(this.node, "dojoDndContainer");
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// mark up children
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if(!(params && params._skipStartup)){
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this.startup();
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}
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// set up events
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this.events = [
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dojo.connect(this.node, "onmouseover", this, "onMouseOver"),
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dojo.connect(this.node, "onmouseout", this, "onMouseOut"),
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// cancel text selection and text dragging
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dojo.connect(this.node, "ondragstart", dojo, "stopEvent"),
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dojo.connect(this.node, "onselectstart", dojo, "stopEvent")
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];
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},
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// object attributes (for markup)
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creator: function(){}, // creator function, dummy at the moment
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// abstract access to the map
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getItem: function(/*String*/ key){
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// summary: returns a data item by its key (id)
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return this.map[key]; // Object
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},
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setItem: function(/*String*/ key, /*Object*/ data){
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// summary: associates a data item with its key (id)
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this.map[key] = data;
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},
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delItem: function(/*String*/ key){
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// summary: removes a data item from the map by its key (id)
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delete this.map[key];
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},
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forInItems: function(/*Function*/ f, /*Object?*/ o){
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// summary: iterates over a data map skipping members, which
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// are present in the empty object (IE and/or 3rd-party libraries).
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o = o || dojo.global;
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var m = this.map, e = dojo.dnd._empty;
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for(var i in this.map){
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if(i in e){ continue; }
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f.call(o, m[i], i, m);
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}
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},
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clearItems: function(){
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// summary: removes all data items from the map
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this.map = {};
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},
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// methods
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getAllNodes: function(){
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// summary: returns a list (an array) of all valid child nodes
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return dojo.query("> .dojoDndItem", this.parent); // NodeList
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},
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insertNodes: function(data, before, anchor){
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// summary: inserts an array of new nodes before/after an anchor node
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// data: Array: a list of data items, which should be processed by the creator function
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// before: Boolean: insert before the anchor, if true, and after the anchor otherwise
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// anchor: Node: the anchor node to be used as a point of insertion
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if(!this.parent.firstChild){
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anchor = null;
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}else if(before){
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if(!anchor){
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anchor = this.parent.firstChild;
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}
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}else{
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if(anchor){
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anchor = anchor.nextSibling;
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}
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}
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if(anchor){
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for(var i = 0; i < data.length; ++i){
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var t = this._normalizedCreator(data[i]);
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this.setItem(t.node.id, {data: t.data, type: t.type});
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this.parent.insertBefore(t.node, anchor);
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}
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}else{
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for(var i = 0; i < data.length; ++i){
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var t = this._normalizedCreator(data[i]);
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this.setItem(t.node.id, {data: t.data, type: t.type});
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this.parent.appendChild(t.node);
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}
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}
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return this; // self
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},
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destroy: function(){
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// summary: prepares the object to be garbage-collected
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dojo.forEach(this.events, dojo.disconnect);
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this.clearItems();
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this.node = this.parent = this.current;
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},
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// markup methods
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markupFactory: function(params, node){
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params._skipStartup = true;
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return new dojo.dnd.Container(node, params);
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},
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startup: function(){
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// summary: collects valid child items and populate the map
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// set up the real parent node
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this.parent = this.node;
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if(this.parent.tagName.toLowerCase() == "table"){
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var c = this.parent.getElementsByTagName("tbody");
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if(c && c.length){ this.parent = c[0]; }
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}
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// process specially marked children
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dojo.query("> .dojoDndItem", this.parent).forEach(function(node){
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if(!node.id){ node.id = dojo.dnd.getUniqueId(); }
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var type = node.getAttribute("dndType"),
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data = node.getAttribute("dndData");
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this.setItem(node.id, {
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data: data ? data : node.innerHTML,
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type: type ? type.split(/\s*,\s*/) : ["text"]
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});
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}, this);
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},
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// mouse events
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onMouseOver: function(e){
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// summary: event processor for onmouseover
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// e: Event: mouse event
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var n = e.relatedTarget;
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while(n){
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if(n == this.node){ break; }
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try{
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n = n.parentNode;
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}catch(x){
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n = null;
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}
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}
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if(!n){
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this._changeState("Container", "Over");
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this.onOverEvent();
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}
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n = this._getChildByEvent(e);
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if(this.current == n){ return; }
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if(this.current){ this._removeItemClass(this.current, "Over"); }
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if(n){ this._addItemClass(n, "Over"); }
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this.current = n;
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},
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onMouseOut: function(e){
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// summary: event processor for onmouseout
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// e: Event: mouse event
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for(var n = e.relatedTarget; n;){
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if(n == this.node){ return; }
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try{
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n = n.parentNode;
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}catch(x){
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n = null;
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}
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}
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if(this.current){
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this._removeItemClass(this.current, "Over");
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this.current = null;
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}
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this._changeState("Container", "");
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this.onOutEvent();
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},
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// utilities
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onOverEvent: function(){
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// summary: this function is called once, when mouse is over our container
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},
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onOutEvent: function(){
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// summary: this function is called once, when mouse is out of our container
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},
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_changeState: function(type, newState){
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// summary: changes a named state to new state value
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// type: String: a name of the state to change
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// newState: String: new state
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var prefix = "dojoDnd" + type;
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var state = type.toLowerCase() + "State";
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//dojo.replaceClass(this.node, prefix + newState, prefix + this[state]);
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dojo.removeClass(this.node, prefix + this[state]);
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dojo.addClass(this.node, prefix + newState);
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this[state] = newState;
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},
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_addItemClass: function(node, type){
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// summary: adds a class with prefix "dojoDndItem"
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// node: Node: a node
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// type: String: a variable suffix for a class name
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dojo.addClass(node, "dojoDndItem" + type);
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},
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_removeItemClass: function(node, type){
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// summary: removes a class with prefix "dojoDndItem"
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// node: Node: a node
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// type: String: a variable suffix for a class name
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dojo.removeClass(node, "dojoDndItem" + type);
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},
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_getChildByEvent: function(e){
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// summary: gets a child, which is under the mouse at the moment, or null
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// e: Event: a mouse event
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var node = e.target;
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if(node){
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for(var parent = node.parentNode; parent; node = parent, parent = node.parentNode){
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if(parent == this.parent && dojo.hasClass(node, "dojoDndItem")){ return node; }
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}
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}
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return null;
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},
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_normalizedCreator: function(item, hint){
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// summary: adds all necessary data to the output of the user-supplied creator function
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var t = (this.creator ? this.creator : this.defaultCreator)(item, hint);
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if(!dojo.isArray(t.type)){ t.type = ["text"]; }
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if(!t.node.id){ t.node.id = dojo.dnd.getUniqueId(); }
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dojo.addClass(t.node, "dojoDndItem");
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return t;
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}
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});
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dojo.dnd._createNode = function(tag){
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// summary: returns a function, which creates an element of given tag
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// (SPAN by default) and sets its innerHTML to given text
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// tag: String: a tag name or empty for SPAN
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if(!tag){ return dojo.dnd._createSpan; }
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return function(text){ // Function
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var n = dojo.doc.createElement(tag);
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n.innerHTML = text;
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return n;
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};
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};
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dojo.dnd._createTrTd = function(text){
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// summary: creates a TR/TD structure with given text as an innerHTML of TD
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// text: String: a text for TD
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var tr = dojo.doc.createElement("tr");
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var td = dojo.doc.createElement("td");
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td.innerHTML = text;
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tr.appendChild(td);
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return tr; // Node
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};
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dojo.dnd._createSpan = function(text){
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// summary: creates a SPAN element with given text as its innerHTML
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// text: String: a text for SPAN
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var n = dojo.doc.createElement("span");
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n.innerHTML = text;
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return n; // Node
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};
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// dojo.dnd._defaultCreatorNodes: Object: a dicitionary, which maps container tag names to child tag names
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dojo.dnd._defaultCreatorNodes = {ul: "li", ol: "li", div: "div", p: "div"};
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dojo.dnd._defaultCreator = function(node){
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// summary: takes a container node, and returns an appropriate creator function
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// node: Node: a container node
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var tag = node.tagName.toLowerCase();
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var c = tag == "table" ? dojo.dnd._createTrTd : dojo.dnd._createNode(dojo.dnd._defaultCreatorNodes[tag]);
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return function(item, hint){ // Function
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var isObj = dojo.isObject(item) && item;
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var data = (isObj && item.data) ? item.data : item;
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var type = (isObj && item.type) ? item.type : ["text"];
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var t = String(data), n = (hint == "avatar" ? dojo.dnd._createSpan : c)(t);
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n.id = dojo.dnd.getUniqueId();
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return {node: n, data: data, type: type};
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};
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};
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}
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