-/*
- Copyright (c) 2004-2011, The Dojo Foundation All Rights Reserved.
- Available via Academic Free License >= 2.1 OR the modified BSD license.
- see: http://dojotoolkit.org/license for details
-*/
-
-
-if(!dojo._hasResource["dijit.tree.TreeStoreModel"]){ //_hasResource checks added by build. Do not use _hasResource directly in your code.
-dojo._hasResource["dijit.tree.TreeStoreModel"] = true;
-dojo.provide("dijit.tree.TreeStoreModel");
-
-
-dojo.declare(
- "dijit.tree.TreeStoreModel",
- null,
- {
- // summary:
- // Implements dijit.Tree.model connecting to a store with a single
- // root item. Any methods passed into the constructor will override
- // the ones defined here.
-
- // store: dojo.data.Store
- // Underlying store
- store: null,
-
- // childrenAttrs: String[]
- // One or more attribute names (attributes in the dojo.data item) that specify that item's children
- childrenAttrs: ["children"],
-
- // newItemIdAttr: String
- // Name of attribute in the Object passed to newItem() that specifies the id.
- //
- // If newItemIdAttr is set then it's used when newItem() is called to see if an
- // item with the same id already exists, and if so just links to the old item
- // (so that the old item ends up with two parents).
- //
- // Setting this to null or "" will make every drop create a new item.
- newItemIdAttr: "id",
-
- // labelAttr: String
- // If specified, get label for tree node from this attribute, rather
- // than by calling store.getLabel()
- labelAttr: "",
-
- // root: [readonly] dojo.data.Item
- // Pointer to the root item (read only, not a parameter)
- root: null,
-
- // query: anything
- // Specifies datastore query to return the root item for the tree.
- // Must only return a single item. Alternately can just pass in pointer
- // to root item.
- // example:
- // | {id:'ROOT'}
- query: null,
-
- // deferItemLoadingUntilExpand: Boolean
- // Setting this to true will cause the TreeStoreModel to defer calling loadItem on nodes
- // until they are expanded. This allows for lazying loading where only one
- // loadItem (and generally one network call, consequently) per expansion
- // (rather than one for each child).
- // This relies on partial loading of the children items; each children item of a
- // fully loaded item should contain the label and info about having children.
- deferItemLoadingUntilExpand: false,
-
- constructor: function(/* Object */ args){
- // summary:
- // Passed the arguments listed above (store, etc)
- // tags:
- // private
-
- dojo.mixin(this, args);
-
- this.connects = [];
-
- var store = this.store;
- if(!store.getFeatures()['dojo.data.api.Identity']){
- throw new Error("dijit.Tree: store must support dojo.data.Identity");
- }
-
- // if the store supports Notification, subscribe to the notification events
- if(store.getFeatures()['dojo.data.api.Notification']){
- this.connects = this.connects.concat([
- dojo.connect(store, "onNew", this, "onNewItem"),
- dojo.connect(store, "onDelete", this, "onDeleteItem"),
- dojo.connect(store, "onSet", this, "onSetItem")
- ]);
- }
- },
-
- destroy: function(){
- dojo.forEach(this.connects, dojo.disconnect);
- // TODO: should cancel any in-progress processing of getRoot(), getChildren()
- },
-
- // =======================================================================
- // Methods for traversing hierarchy
-
- getRoot: function(onItem, onError){
- // summary:
- // Calls onItem with the root item for the tree, possibly a fabricated item.
- // Calls onError on error.
- if(this.root){
- onItem(this.root);
- }else{
- this.store.fetch({
- query: this.query,
- onComplete: dojo.hitch(this, function(items){
- if(items.length != 1){
- throw new Error(this.declaredClass + ": query " + dojo.toJson(this.query) + " returned " + items.length +
- " items, but must return exactly one item");
- }
- this.root = items[0];
- onItem(this.root);
- }),
- onError: onError
- });
- }
- },
-
- mayHaveChildren: function(/*dojo.data.Item*/ item){
- // summary:
- // Tells if an item has or may have children. Implementing logic here
- // avoids showing +/- expando icon for nodes that we know don't have children.
- // (For efficiency reasons we may not want to check if an element actually
- // has children until user clicks the expando node)
- return dojo.some(this.childrenAttrs, function(attr){
- return this.store.hasAttribute(item, attr);
- }, this);
- },
-
- getChildren: function(/*dojo.data.Item*/ parentItem, /*function(items)*/ onComplete, /*function*/ onError){
- // summary:
- // Calls onComplete() with array of child items of given parent item, all loaded.
-
- var store = this.store;
- if(!store.isItemLoaded(parentItem)){
- // The parent is not loaded yet, we must be in deferItemLoadingUntilExpand
- // mode, so we will load it and just return the children (without loading each
- // child item)
- var getChildren = dojo.hitch(this, arguments.callee);
- store.loadItem({
- item: parentItem,
- onItem: function(parentItem){
- getChildren(parentItem, onComplete, onError);
- },
- onError: onError
- });
- return;
- }
- // get children of specified item
- var childItems = [];
- for(var i=0; i<this.childrenAttrs.length; i++){
- var vals = store.getValues(parentItem, this.childrenAttrs[i]);
- childItems = childItems.concat(vals);
- }
-
- // count how many items need to be loaded
- var _waitCount = 0;
- if(!this.deferItemLoadingUntilExpand){
- dojo.forEach(childItems, function(item){ if(!store.isItemLoaded(item)){ _waitCount++; } });
- }
-
- if(_waitCount == 0){
- // all items are already loaded (or we aren't loading them). proceed...
- onComplete(childItems);
- }else{
- // still waiting for some or all of the items to load
- dojo.forEach(childItems, function(item, idx){
- if(!store.isItemLoaded(item)){
- store.loadItem({
- item: item,
- onItem: function(item){
- childItems[idx] = item;
- if(--_waitCount == 0){
- // all nodes have been loaded, send them to the tree
- onComplete(childItems);
- }
- },
- onError: onError
- });
- }
- });
- }
- },
-
- // =======================================================================
- // Inspecting items
-
- isItem: function(/* anything */ something){
- return this.store.isItem(something); // Boolean
- },
-
- fetchItemByIdentity: function(/* object */ keywordArgs){
- this.store.fetchItemByIdentity(keywordArgs);
- },
-
- getIdentity: function(/* item */ item){
- return this.store.getIdentity(item); // Object
- },
-
- getLabel: function(/*dojo.data.Item*/ item){
- // summary:
- // Get the label for an item
- if(this.labelAttr){
- return this.store.getValue(item,this.labelAttr); // String
- }else{
- return this.store.getLabel(item); // String
- }
- },
-
- // =======================================================================
- // Write interface
-
- newItem: function(/* dojo.dnd.Item */ args, /*Item*/ parent, /*int?*/ insertIndex){
- // summary:
- // Creates a new item. See `dojo.data.api.Write` for details on args.
- // Used in drag & drop when item from external source dropped onto tree.
- // description:
- // Developers will need to override this method if new items get added
- // to parents with multiple children attributes, in order to define which
- // children attribute points to the new item.
-
- var pInfo = {parent: parent, attribute: this.childrenAttrs[0]}, LnewItem;
-
- if(this.newItemIdAttr && args[this.newItemIdAttr]){
- // Maybe there's already a corresponding item in the store; if so, reuse it.
- this.fetchItemByIdentity({identity: args[this.newItemIdAttr], scope: this, onItem: function(item){
- if(item){
- // There's already a matching item in store, use it
- this.pasteItem(item, null, parent, true, insertIndex);
- }else{
- // Create new item in the tree, based on the drag source.
- LnewItem=this.store.newItem(args, pInfo);
- if (LnewItem && (insertIndex!=undefined)){
- // Move new item to desired position
- this.pasteItem(LnewItem, parent, parent, false, insertIndex);
- }
- }
- }});
- }else{
- // [as far as we know] there is no id so we must assume this is a new item
- LnewItem=this.store.newItem(args, pInfo);
- if (LnewItem && (insertIndex!=undefined)){
- // Move new item to desired position
- this.pasteItem(LnewItem, parent, parent, false, insertIndex);
- }
- }
- },
-
- pasteItem: function(/*Item*/ childItem, /*Item*/ oldParentItem, /*Item*/ newParentItem, /*Boolean*/ bCopy, /*int?*/ insertIndex){
- // summary:
- // Move or copy an item from one parent item to another.
- // Used in drag & drop
- var store = this.store,
- parentAttr = this.childrenAttrs[0]; // name of "children" attr in parent item
-
- // remove child from source item, and record the attribute that child occurred in
- if(oldParentItem){
- dojo.forEach(this.childrenAttrs, function(attr){
- if(store.containsValue(oldParentItem, attr, childItem)){
- if(!bCopy){
- var values = dojo.filter(store.getValues(oldParentItem, attr), function(x){
- return x != childItem;
- });
- store.setValues(oldParentItem, attr, values);
- }
- parentAttr = attr;
- }
- });
- }
-
- // modify target item's children attribute to include this item
- if(newParentItem){
- if(typeof insertIndex == "number"){
- // call slice() to avoid modifying the original array, confusing the data store
- var childItems = store.getValues(newParentItem, parentAttr).slice();
- childItems.splice(insertIndex, 0, childItem);
- store.setValues(newParentItem, parentAttr, childItems);
- }else{
- store.setValues(newParentItem, parentAttr,
- store.getValues(newParentItem, parentAttr).concat(childItem));
- }
- }
- },
-
- // =======================================================================
- // Callbacks
-
- onChange: function(/*dojo.data.Item*/ item){
- // summary:
- // Callback whenever an item has changed, so that Tree
- // can update the label, icon, etc. Note that changes
- // to an item's children or parent(s) will trigger an
- // onChildrenChange() so you can ignore those changes here.
- // tags:
- // callback
- },
-
- onChildrenChange: function(/*dojo.data.Item*/ parent, /*dojo.data.Item[]*/ newChildrenList){
- // summary:
- // Callback to do notifications about new, updated, or deleted items.
- // tags:
- // callback
- },
-
- onDelete: function(/*dojo.data.Item*/ parent, /*dojo.data.Item[]*/ newChildrenList){
- // summary:
- // Callback when an item has been deleted.
- // description:
- // Note that there will also be an onChildrenChange() callback for the parent
- // of this item.
- // tags:
- // callback
- },
-
- // =======================================================================
- // Events from data store
-
- onNewItem: function(/* dojo.data.Item */ item, /* Object */ parentInfo){
- // summary:
- // Handler for when new items appear in the store, either from a drop operation
- // or some other way. Updates the tree view (if necessary).
- // description:
- // If the new item is a child of an existing item,
- // calls onChildrenChange() with the new list of children
- // for that existing item.
- //
- // tags:
- // extension
-
- // We only care about the new item if it has a parent that corresponds to a TreeNode
- // we are currently displaying
- if(!parentInfo){
- return;
- }
-
- // Call onChildrenChange() on parent (ie, existing) item with new list of children
- // In the common case, the new list of children is simply parentInfo.newValue or
- // [ parentInfo.newValue ], although if items in the store has multiple
- // child attributes (see `childrenAttr`), then it's a superset of parentInfo.newValue,
- // so call getChildren() to be sure to get right answer.
- this.getChildren(parentInfo.item, dojo.hitch(this, function(children){
- this.onChildrenChange(parentInfo.item, children);
- }));
- },
-
- onDeleteItem: function(/*Object*/ item){
- // summary:
- // Handler for delete notifications from underlying store
- this.onDelete(item);
- },
-
- onSetItem: function(/* item */ item,
- /* attribute-name-string */ attribute,
- /* object | array */ oldValue,
- /* object | array */ newValue){
- // summary:
- // Updates the tree view according to changes in the data store.
- // description:
- // Handles updates to an item's children by calling onChildrenChange(), and
- // other updates to an item by calling onChange().
- //
- // See `onNewItem` for more details on handling updates to an item's children.
- // tags:
- // extension
-
- if(dojo.indexOf(this.childrenAttrs, attribute) != -1){
- // item's children list changed
- this.getChildren(item, dojo.hitch(this, function(children){
- // See comments in onNewItem() about calling getChildren()
- this.onChildrenChange(item, children);
- }));
- }else{
- // item's label/icon/etc. changed.
- this.onChange(item);
- }
- }
- });
-
-}
+//>>built
+define("dijit/tree/TreeStoreModel",["dojo/_base/array","dojo/aspect","dojo/_base/declare","dojo/_base/json","dojo/_base/lang"],function(_1,_2,_3,_4,_5){return _3("dijit.tree.TreeStoreModel",null,{store:null,childrenAttrs:["children"],newItemIdAttr:"id",labelAttr:"",root:null,query:null,deferItemLoadingUntilExpand:false,constructor:function(_6){_5.mixin(this,_6);this.connects=[];var _7=this.store;if(!_7.getFeatures()["dojo.data.api.Identity"]){throw new Error("dijit.Tree: store must support dojo.data.Identity");}if(_7.getFeatures()["dojo.data.api.Notification"]){this.connects=this.connects.concat([_2.after(_7,"onNew",_5.hitch(this,"onNewItem"),true),_2.after(_7,"onDelete",_5.hitch(this,"onDeleteItem"),true),_2.after(_7,"onSet",_5.hitch(this,"onSetItem"),true)]);}},destroy:function(){var h;while(h=this.connects.pop()){h.remove();}},getRoot:function(_8,_9){if(this.root){_8(this.root);}else{this.store.fetch({query:this.query,onComplete:_5.hitch(this,function(_a){if(_a.length!=1){throw new Error(this.declaredClass+": query "+_4.stringify(this.query)+" returned "+_a.length+" items, but must return exactly one item");}this.root=_a[0];_8(this.root);}),onError:_9});}},mayHaveChildren:function(_b){return _1.some(this.childrenAttrs,function(_c){return this.store.hasAttribute(_b,_c);},this);},getChildren:function(_d,_e,_f){var _10=this.store;if(!_10.isItemLoaded(_d)){var _11=_5.hitch(this,arguments.callee);_10.loadItem({item:_d,onItem:function(_12){_11(_12,_e,_f);},onError:_f});return;}var _13=[];for(var i=0;i<this.childrenAttrs.length;i++){var _14=_10.getValues(_d,this.childrenAttrs[i]);_13=_13.concat(_14);}var _15=0;if(!this.deferItemLoadingUntilExpand){_1.forEach(_13,function(_16){if(!_10.isItemLoaded(_16)){_15++;}});}if(_15==0){_e(_13);}else{_1.forEach(_13,function(_17,idx){if(!_10.isItemLoaded(_17)){_10.loadItem({item:_17,onItem:function(_18){_13[idx]=_18;if(--_15==0){_e(_13);}},onError:_f});}});}},isItem:function(_19){return this.store.isItem(_19);},fetchItemByIdentity:function(_1a){this.store.fetchItemByIdentity(_1a);},getIdentity:function(_1b){return this.store.getIdentity(_1b);},getLabel:function(_1c){if(this.labelAttr){return this.store.getValue(_1c,this.labelAttr);}else{return this.store.getLabel(_1c);}},newItem:function(_1d,_1e,_1f){var _20={parent:_1e,attribute:this.childrenAttrs[0]},_21;if(this.newItemIdAttr&&_1d[this.newItemIdAttr]){this.fetchItemByIdentity({identity:_1d[this.newItemIdAttr],scope:this,onItem:function(_22){if(_22){this.pasteItem(_22,null,_1e,true,_1f);}else{_21=this.store.newItem(_1d,_20);if(_21&&(_1f!=undefined)){this.pasteItem(_21,_1e,_1e,false,_1f);}}}});}else{_21=this.store.newItem(_1d,_20);if(_21&&(_1f!=undefined)){this.pasteItem(_21,_1e,_1e,false,_1f);}}},pasteItem:function(_23,_24,_25,_26,_27){var _28=this.store,_29=this.childrenAttrs[0];if(_24){_1.forEach(this.childrenAttrs,function(_2a){if(_28.containsValue(_24,_2a,_23)){if(!_26){var _2b=_1.filter(_28.getValues(_24,_2a),function(x){return x!=_23;});_28.setValues(_24,_2a,_2b);}_29=_2a;}});}if(_25){if(typeof _27=="number"){var _2c=_28.getValues(_25,_29).slice();_2c.splice(_27,0,_23);_28.setValues(_25,_29,_2c);}else{_28.setValues(_25,_29,_28.getValues(_25,_29).concat(_23));}}},onChange:function(){},onChildrenChange:function(){},onDelete:function(){},onNewItem:function(_2d,_2e){if(!_2e){return;}this.getChildren(_2e.item,_5.hitch(this,function(_2f){this.onChildrenChange(_2e.item,_2f);}));},onDeleteItem:function(_30){this.onDelete(_30);},onSetItem:function(_31,_32){if(_1.indexOf(this.childrenAttrs,_32)!=-1){this.getChildren(_31,_5.hitch(this,function(_33){this.onChildrenChange(_31,_33);}));}else{this.onChange(_31);}}});});
\ No newline at end of file
git.wh0rd.org / tt-rss.git / blobdiff