tree.js

ext js demo ext学习资料

Ext.tree.TreeFilter=function(_1,_2){this.tree=_1;this.filtered={};Ext.apply(this,_2,{clearBlank:false,reverse:false,autoClear:false,remove:false});};Ext.tree.TreeFilter.prototype={filter:function(_3,_4,_5){_4=_4||"text";var f;if(typeof _3=="string"){var _7=_3.length;if(_7==0&&this.clearBlank){this.clearFilter();return;}_3=_3.toLowerCase();f=function(n){return n.attributes[_4].substr(0,_7).toLowerCase()==_3;};}else{if(_3.exec){f=function(n){return _3.test(n.attributes[_4]);};}else{throw"Illegal filter type, must be string or regex";}}this.filterBy(f,null,_5);},filterBy:function(fn,_b,_c){_c=_c||this.tree.root;if(this.autoClear){this.clearFilter();}var af=this.filtered,rv=this.reverse;var f=function(n){if(n==_c){return true;}if(af[n.id]){return false;}var m=fn.call(_b||n,n);if(!m||rv){af[n.id]=n;n.ui.hide();return false;}return true;};_c.cascade(f);if(this.remove){for(var id in af){if(typeof id!="function"){var n=af[id];if(n&&n.parentNode){n.parentNode.removeChild(n);}}}}},clear:function(){var t=this.tree;var af=this.filtered;for(var id in af){if(typeof id!="function"){var n=af[id];if(n){n.ui.show();}}}this.filtered={};}};

Ext.tree.TreeSorter=function(_1,_2){Ext.apply(this,_2);_1.on("beforechildrenrendered",this.doSort,this);_1.on("append",this.updateSort,this);_1.on("insert",this.updateSort,this);var _3=this.dir&&this.dir.toLowerCase()=="desc";var p=this.property||"text";var _5=this.sortType;var fs=this.folderSort;var cs=this.caseSensitive===true;var _8=this.leafAttr||"leaf";this.sortFn=function(n1,n2){if(fs){if(n1.attributes[_8]&&!n2.attributes[_8]){return 1;}if(!n1.attributes[_8]&&n2.attributes[_8]){return-1;}}var v1=_5?_5(n1):(cs?n1[p]:n1[p].toUpperCase());var v2=_5?_5(n2):(cs?n2[p]:n2[p].toUpperCase());if(v1<v2){return _3?+1:-1;}else{if(v1>v2){return _3?-1:+1;}else{return 0;}}};};Ext.tree.TreeSorter.prototype={doSort:function(_d){_d.sort(this.sortFn);},compareNodes:function(n1,n2){return(n1.text.toUpperCase()>n2.text.toUpperCase()?1:-1);},updateSort:function(_10,_11){if(_11.childrenRendered){this.doSort.defer(1,this,[_11]);}}};

if(Ext.dd.DropZone){Ext.tree.TreeDropZone=function(_1,_2){this.allowParentInsert=false;this.allowContainerDrop=false;this.appendOnly=false;Ext.tree.TreeDropZone.superclass.constructor.call(this,_1.innerCt,_2);this.tree=_1;this.lastInsertClass="x-tree-no-status";this.dragOverData={};};Ext.extend(Ext.tree.TreeDropZone,Ext.dd.DropZone,{ddGroup:"TreeDD",expandDelay:1000,expandNode:function(_3){if(_3.hasChildNodes()&&!_3.isExpanded()){_3.expand(false,null,this.triggerCacheRefresh.createDelegate(this));}},queueExpand:function(_4){this.expandProcId=this.expandNode.defer(this.expandDelay,this,[_4]);},cancelExpand:function(){if(this.expandProcId){clearTimeout(this.expandProcId);this.expandProcId=false;}},isValidDropPoint:function(n,pt,dd,e,_9){if(!n||!_9){return false;}var _a=n.node;var _b=_9.node;if(!(_a&&_a.isTarget&&pt)){return false;}if(pt=="append"&&_a.allowChildren===false){return false;}if((pt=="above"||pt=="below")&&(_a.parentNode&&_a.parentNode.allowChildren===false)){return false;}if(_b&&(_a==_b||_b.contains(_a))){return false;}var _c=this.dragOverData;_c.tree=this.tree;_c.target=_a;_c.data=_9;_c.point=pt;_c.source=dd;_c.rawEvent=e;_c.dropNode=_b;_c.cancel=false;var _d=this.tree.fireEvent("nodedragover",_c);return _c.cancel===false&&_d!==false;},getDropPoint:function(e,n,dd){var tn=n.node;if(tn.isRoot){return tn.allowChildren!==false?"append":false;}var _12=n.ddel;var t=Ext.lib.Dom.getY(_12),b=t+_12.offsetHeight;var y=Ext.lib.Event.getPageY(e);var _16=tn.allowChildren===false||tn.isLeaf();if(this.appendOnly||tn.parentNode.allowChildren===false){return _16?false:"append";}var _17=false;if(!this.allowParentInsert){_17=tn.hasChildNodes()&&tn.isExpanded();}var q=(b-t)/(_16?2:3);if(y>=t&&y<(t+q)){return"above";}else{if(!_17&&(_16||y>=b-q&&y<=b)){return"below";}else{return"append";}}},onNodeEnter:function(n,dd,e,_1c){this.cancelExpand();},onNodeOver:function(n,dd,e,_20){var pt=this.getDropPoint(e,n,dd);var _22=n.node;if(!this.expandProcId&&pt=="append"&&_22.hasChildNodes()&&!n.node.isExpanded()){this.queueExpand(_22);}else{if(pt!="append"){this.cancelExpand();}}var _23=this.dropNotAllowed;if(this.isValidDropPoint(n,pt,dd,e,_20)){if(pt){var el=n.ddel;var cls;if(pt=="above"){_23=n.node.isFirst()?"x-tree-drop-ok-above":"x-tree-drop-ok-between";cls="x-tree-drag-insert-above";}else{if(pt=="below"){_23=n.node.isLast()?"x-tree-drop-ok-below":"x-tree-drop-ok-between";cls="x-tree-drag-insert-below";}else{_23="x-tree-drop-ok-append";cls="x-tree-drag-append";}}if(this.lastInsertClass!=cls){Ext.fly(el).replaceClass(this.lastInsertClass,cls);this.lastInsertClass=cls;}}}return _23;},onNodeOut:function(n,dd,e,_29){this.cancelExpand();this.removeDropIndicators(n);},onNodeDrop:function(n,dd,e,_2d){var _2e=this.getDropPoint(e,n,dd);var _2f=n.node;_2f.ui.startDrop();if(!this.isValidDropPoint(n,_2e,dd,e,_2d)){_2f.ui.endDrop();return false;}var _30=_2d.node||(dd.getTreeNode?dd.getTreeNode(_2d,_2f,_2e,e):null);var _31={tree:this.tree,target:_2f,data:_2d,point:_2e,source:dd,rawEvent:e,dropNode:_30,cancel:!_30};var _32=this.tree.fireEvent("beforenodedrop",_31);if(_32===false||_31.cancel===true||!_31.dropNode){_2f.ui.endDrop();return false;}_2f=_31.target;if(_2e=="append"&&!_2f.isExpanded()){_2f.expand(false,null,function(){this.completeDrop(_31);}.createDelegate(this));}else{this.completeDrop(_31);}return true;},completeDrop:function(de){var ns=de.dropNode,p=de.point,t=de.target;if(!(ns instanceof Array)){ns=[ns];}var n;for(var i=0,len=ns.length;i<len;i++){n=ns[i];if(p=="above"){t.parentNode.insertBefore(n,t);}else{if(p=="below"){t.parentNode.insertBefore(n,t.nextSibling);}else{t.appendChild(n);}}}n.ui.focus();if(this.tree.hlDrop){n.ui.highlight();}t.ui.endDrop();this.tree.fireEvent("nodedrop",de);},afterNodeMoved:function(dd,_3b,e,_3d,_3e){if(this.tree.hlDrop){_3e.ui.focus();_3e.ui.highlight();}this.tree.fireEvent("nodedrop",this.tree,_3d,_3b,dd,e);},getTree:function(){return this.tree;},removeDropIndicators:function(n){if(n&&n.ddel){var el=n.ddel;Ext.fly(el).removeClass(["x-tree-drag-insert-above","x-tree-drag-insert-below","x-tree-drag-append"]);this.lastInsertClass="_noclass";}},beforeDragDrop:function(_41,e,id){this.cancelExpand();return true;},afterRepair:function(_44){if(_44&&Ext.enableFx){_44.node.ui.highlight();}this.hideProxy();}});}

if(Ext.dd.DragZone){Ext.tree.TreeDragZone=function(_1,_2){Ext.tree.TreeDragZone.superclass.constructor.call(this,_1.getTreeEl(),_2);this.tree=_1;};Ext.extend(Ext.tree.TreeDragZone,Ext.dd.DragZone,{ddGroup:"TreeDD",onBeforeDrag:function(_3,e){var n=_3.node;return n&&n.draggable&&!n.disabled;},onInitDrag:function(e){var _7=this.dragData;this.tree.getSelectionModel().select(_7.node);this.proxy.update("");_7.node.ui.appendDDGhost(this.proxy.ghost.dom);this.tree.fireEvent("startdrag",this.tree,_7.node,e);},getRepairXY:function(e,_9){return _9.node.ui.getDDRepairXY();},onEndDrag:function(_a,e){this.tree.fireEvent("enddrag",this.tree,_a.node,e);},onValidDrop:function(dd,e,id){this.tree.fireEvent("dragdrop",this.tree,this.dragData.node,dd,e);this.hideProxy();},beforeInvalidDrop:function(e,id){var sm=this.tree.getSelectionModel();sm.clearSelections();sm.select(this.dragData.node);}});}

Ext.tree.TreeEditor=function(_1,_2){_2=_2||{};var _3=_2.events?_2:new Ext.form.TextField(_2);Ext.tree.TreeEditor.superclass.constructor.call(this,_3);this.tree=_1;_1.on("beforeclick",this.beforeNodeClick,this);_1.getTreeEl().on("mousedown",this.hide,this);this.on("complete",this.updateNode,this);this.on("beforestartedit",this.fitToTree,this);this.on("startedit",this.bindScroll,this,{delay:10});this.on("specialkey",this.onSpecialKey,this);};Ext.extend(Ext.tree.TreeEditor,Ext.Editor,{alignment:"l-l",autoSize:false,hideEl:false,cls:"x-small-editor x-tree-editor",shim:false,shadow:"frame",maxWidth:250,editDelay:350,fitToTree:function(ed,el){var td=this.tree.getTreeEl().dom,nd=el.dom;if(td.scrollLeft>nd.offsetLeft){td.scrollLeft=nd.offsetLeft;}var w=Math.min(this.maxWidth,(td.clientWidth>20?td.clientWidth:td.offsetWidth)-Math.max(0,nd.offsetLeft-td.scrollLeft)-5);this.setSize(w,"");},triggerEdit:function(_9){this.completeEdit();this.editNode=_9;this.startEdit(_9.ui.textNode,_9.text);},bindScroll:function(){this.tree.getTreeEl().on("scroll",this.cancelEdit,this);},beforeNodeClick:function(_a,e){var _c=(this.lastClick?this.lastClick.getElapsed():0);this.lastClick=new Date();if(_c>this.editDelay&&this.tree.getSelectionModel().isSelected(_a)){e.stopEvent();this.triggerEdit(_a);return false;}},updateNode:function(ed,_e){this.tree.getTreeEl().un("scroll",this.cancelEdit,this);this.editNode.setText(_e);},onHide:function(){Ext.tree.TreeEditor.superclass.onHide.call(this);if(this.editNode){this.editNode.ui.focus();}},onSpecialKey:function(_f,e){var k=e.getKey();if(k==e.ESC){e.stopEvent();this.cancelEdit();}else{if(k==e.ENTER&&!e.hasModifier()){e.stopEvent();this.completeEdit();}}}});