DataView-more.js
资源名称:ext-3.0.0.zip [点击查看]
上传用户:shuoshiled
上传日期:2018-01-28
资源大小:10124k
文件大小:4k
源码类别:
中间件编程
开发平台:
JavaScript
- /*! * Ext JS Library 3.0.0 * Copyright(c) 2006-2009 Ext JS, LLC * licensing@extjs.com * http://www.extjs.com/license */ /**
- * @class Ext.DataView.LabelEditor
- * @extends Ext.Editor
- *
- */
- Ext.DataView.LabelEditor = Ext.extend(Ext.Editor, {
- alignment: "tl-tl",
- hideEl : false,
- cls: "x-small-editor",
- shim: false,
- completeOnEnter: true,
- cancelOnEsc: true,
- labelSelector: 'span.x-editable',
- constructor: function(cfg, field){
- Ext.DataView.LabelEditor.superclass.constructor.call(this,
- field || new Ext.form.TextField({
- allowBlank: false,
- growMin:90,
- growMax:240,
- grow:true,
- selectOnFocus:true
- }), cfg
- );
- },
- init : function(view){
- this.view = view;
- view.on('render', this.initEditor, this);
- this.on('complete', this.onSave, this);
- },
- initEditor : function(){
- this.view.on({
- scope: this,
- containerclick: this.doBlur,
- click: this.doBlur
- });
- this.view.getEl().on('mousedown', this.onMouseDown, this, {delegate: this.labelSelector});
- },
- doBlur: function(){
- if(this.editing){
- this.field.blur();
- }
- },
- onMouseDown : function(e, target){
- if(!e.ctrlKey && !e.shiftKey){
- var item = this.view.findItemFromChild(target);
- e.stopEvent();
- var record = this.view.store.getAt(this.view.indexOf(item));
- this.startEdit(target, record.data[this.dataIndex]);
- this.activeRecord = record;
- }else{
- e.preventDefault();
- }
- },
- onSave : function(ed, value){
- this.activeRecord.set(this.dataIndex, value);
- }
- });
- Ext.DataView.DragSelector = function(cfg){
- cfg = cfg || {};
- var view, proxy, tracker;
- var rs, bodyRegion, dragRegion = new Ext.lib.Region(0,0,0,0);
- var dragSafe = cfg.dragSafe === true;
- this.init = function(dataView){
- view = dataView;
- view.on('render', onRender);
- };
- function fillRegions(){
- rs = [];
- view.all.each(function(el){
- rs[rs.length] = el.getRegion();
- });
- bodyRegion = view.el.getRegion();
- }
- function cancelClick(){
- return false;
- }
- function onBeforeStart(e){
- return !dragSafe || e.target == view.el.dom;
- }
- function onStart(e){
- view.on('containerclick', cancelClick, view, {single:true});
- if(!proxy){
- proxy = view.el.createChild({cls:'x-view-selector'});
- }else{
- proxy.setDisplayed('block');
- }
- fillRegions();
- view.clearSelections();
- }
- function onDrag(e){
- var startXY = tracker.startXY;
- var xy = tracker.getXY();
- var x = Math.min(startXY[0], xy[0]);
- var y = Math.min(startXY[1], xy[1]);
- var w = Math.abs(startXY[0] - xy[0]);
- var h = Math.abs(startXY[1] - xy[1]);
- dragRegion.left = x;
- dragRegion.top = y;
- dragRegion.right = x+w;
- dragRegion.bottom = y+h;
- dragRegion.constrainTo(bodyRegion);
- proxy.setRegion(dragRegion);
- for(var i = 0, len = rs.length; i < len; i++){
- var r = rs[i], sel = dragRegion.intersect(r);
- if(sel && !r.selected){
- r.selected = true;
- view.select(i, true);
- }else if(!sel && r.selected){
- r.selected = false;
- view.deselect(i);
- }
- }
- }
- function onEnd(e){
- if (!Ext.isIE) {
- view.un('containerclick', cancelClick, view);
- }
- if(proxy){
- proxy.setDisplayed(false);
- }
- }
- function onRender(view){
- tracker = new Ext.dd.DragTracker({
- onBeforeStart: onBeforeStart,
- onStart: onStart,
- onDrag: onDrag,
- onEnd: onEnd
- });
- tracker.initEl(view.el);
- }
- };