RowEditor.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:16k
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
- */
- Ext.ns('Ext.ux.grid');
- /**
- * @class Ext.ux.grid.RowEditor
- * @extends Ext.Panel
- * Plugin (ptype = 'roweditor') that adds the ability to rapidly edit full rows in a grid.
- * A validation mode may be enabled which uses AnchorTips to notify the user of all
- * validation errors at once.
- *
- * @ptype roweditor
- */
- Ext.ux.grid.RowEditor = Ext.extend(Ext.Panel, {
- floating: true,
- shadow: false,
- layout: 'hbox',
- cls: 'x-small-editor',
- buttonAlign: 'center',
- baseCls: 'x-row-editor',
- elements: 'header,footer,body',
- frameWidth: 5,
- buttonPad: 3,
- clicksToEdit: 'auto',
- monitorValid: true,
- focusDelay: 250,
- errorSummary: true,
- defaults: {
- normalWidth: true
- },
- initComponent: function(){
- Ext.ux.grid.RowEditor.superclass.initComponent.call(this);
- this.addEvents(
- /**
- * @event beforeedit
- * Fired before the row editor is activated.
- * If the listener returns <tt>false</tt> the editor will not be activated.
- * @param {Ext.ux.grid.RowEditor} roweditor This object
- * @param {Number} rowIndex The rowIndex of the row just edited
- */
- 'beforeedit',
- /**
- * @event validateedit
- * Fired after a row is edited and passes validation.
- * If the listener returns <tt>false</tt> changes to the record will not be set.
- * @param {Ext.ux.grid.RowEditor} roweditor This object
- * @param {Object} changes Object with changes made to the record.
- * @param {Ext.data.Record} r The Record that was edited.
- * @param {Number} rowIndex The rowIndex of the row just edited
- */
- 'validateedit',
- /**
- * @event afteredit
- * Fired after a row is edited and passes validation. This event is fired
- * after the store's update event is fired with this edit.
- * @param {Ext.ux.grid.RowEditor} roweditor This object
- * @param {Object} changes Object with changes made to the record.
- * @param {Ext.data.Record} r The Record that was edited.
- * @param {Number} rowIndex The rowIndex of the row just edited
- */
- 'afteredit'
- );
- },
- init: function(grid){
- this.grid = grid;
- this.ownerCt = grid;
- if(this.clicksToEdit === 2){
- grid.on('rowdblclick', this.onRowDblClick, this);
- }else{
- grid.on('rowclick', this.onRowClick, this);
- if(Ext.isIE){
- grid.on('rowdblclick', this.onRowDblClick, this);
- }
- }
- // stopEditing without saving when a record is removed from Store.
- grid.getStore().on('remove', function() {
- this.stopEditing(false);
- },this);
- grid.on({
- scope: this,
- keydown: this.onGridKey,
- columnresize: this.verifyLayout,
- columnmove: this.refreshFields,
- reconfigure: this.refreshFields,
- destroy : this.destroy,
- bodyscroll: {
- buffer: 250,
- fn: this.positionButtons
- }
- });
- grid.getColumnModel().on('hiddenchange', this.verifyLayout, this, {delay:1});
- grid.getView().on('refresh', this.stopEditing.createDelegate(this, []));
- },
- refreshFields: function(){
- this.initFields();
- this.verifyLayout();
- },
- isDirty: function(){
- var dirty;
- this.items.each(function(f){
- if(String(this.values[f.id]) !== String(f.getValue())){
- dirty = true;
- return false;
- }
- }, this);
- return dirty;
- },
- startEditing: function(rowIndex, doFocus){
- if(this.editing && this.isDirty()){
- this.showTooltip('You need to commit or cancel your changes');
- return;
- }
- this.editing = true;
- if(typeof rowIndex == 'object'){
- rowIndex = this.grid.getStore().indexOf(rowIndex);
- }
- if(this.fireEvent('beforeedit', this, rowIndex) !== false){
- var g = this.grid, view = g.getView();
- var row = view.getRow(rowIndex);
- var record = g.store.getAt(rowIndex);
- this.record = record;
- this.rowIndex = rowIndex;
- this.values = {};
- if(!this.rendered){
- this.render(view.getEditorParent());
- }
- var w = Ext.fly(row).getWidth();
- this.setSize(w);
- if(!this.initialized){
- this.initFields();
- }
- var cm = g.getColumnModel(), fields = this.items.items, f, val;
- for(var i = 0, len = cm.getColumnCount(); i < len; i++){
- val = this.preEditValue(record, cm.getDataIndex(i));
- f = fields[i];
- f.setValue(val);
- this.values[f.id] = val || '';
- }
- this.verifyLayout(true);
- if(!this.isVisible()){
- this.setPagePosition(Ext.fly(row).getXY());
- } else{
- this.el.setXY(Ext.fly(row).getXY(), {duration:0.15});
- }
- if(!this.isVisible()){
- this.show().doLayout();
- }
- if(doFocus !== false){
- this.doFocus.defer(this.focusDelay, this);
- }
- }
- },
- stopEditing : function(saveChanges){
- this.editing = false;
- if(!this.isVisible()){
- return;
- }
- if(saveChanges === false || !this.isValid()){
- this.hide();
- return;
- }
- var changes = {}, r = this.record, hasChange = false;
- var cm = this.grid.colModel, fields = this.items.items;
- for(var i = 0, len = cm.getColumnCount(); i < len; i++){
- if(!cm.isHidden(i)){
- var dindex = cm.getDataIndex(i);
- if(!Ext.isEmpty(dindex)){
- var oldValue = r.data[dindex];
- var value = this.postEditValue(fields[i].getValue(), oldValue, r, dindex);
- if(String(oldValue) !== String(value)){
- changes[dindex] = value;
- hasChange = true;
- }
- }
- }
- }
- if(hasChange && this.fireEvent('validateedit', this, changes, r, this.rowIndex) !== false){
- r.beginEdit();
- for(var k in changes){
- if(changes.hasOwnProperty(k)){
- r.set(k, changes[k]);
- }
- }
- r.endEdit();
- this.fireEvent('afteredit', this, changes, r, this.rowIndex);
- }
- this.hide();
- },
- verifyLayout: function(force){
- if(this.el && (this.isVisible() || force === true)){
- var row = this.grid.getView().getRow(this.rowIndex);
- this.setSize(Ext.fly(row).getWidth(), Ext.isIE ? Ext.fly(row).getHeight() + (Ext.isBorderBox ? 9 : 0) : undefined);
- var cm = this.grid.colModel, fields = this.items.items;
- for(var i = 0, len = cm.getColumnCount(); i < len; i++){
- if(!cm.isHidden(i)){
- var adjust = 0;
- if(i === 0){
- adjust += 0; // outer padding
- }
- if(i === (len - 1)){
- adjust += 3; // outer padding
- } else{
- adjust += 1;
- }
- fields[i].show();
- fields[i].setWidth(cm.getColumnWidth(i) - adjust);
- } else{
- fields[i].hide();
- }
- }
- this.doLayout();
- this.positionButtons();
- }
- },
- slideHide : function(){
- this.hide();
- },
- initFields: function(){
- var cm = this.grid.getColumnModel(), pm = Ext.layout.ContainerLayout.prototype.parseMargins;
- this.removeAll(false);
- for(var i = 0, len = cm.getColumnCount(); i < len; i++){
- var c = cm.getColumnAt(i);
- var ed = c.getEditor();
- if(!ed){
- ed = c.displayEditor || new Ext.form.DisplayField();
- }
- if(i == 0){
- ed.margins = pm('0 1 2 1');
- } else if(i == len - 1){
- ed.margins = pm('0 0 2 1');
- } else{
- ed.margins = pm('0 1 2');
- }
- ed.setWidth(cm.getColumnWidth(i));
- ed.column = c;
- if(ed.ownerCt !== this){
- ed.on('focus', this.ensureVisible, this);
- ed.on('specialkey', this.onKey, this);
- }
- this.insert(i, ed);
- }
- this.initialized = true;
- },
- onKey: function(f, e){
- if(e.getKey() === e.ENTER){
- this.stopEditing(true);
- e.stopPropagation();
- }
- },
- onGridKey: function(e){
- if(e.getKey() === e.ENTER && !this.isVisible()){
- var r = this.grid.getSelectionModel().getSelected();
- if(r){
- var index = this.grid.store.indexOf(r);
- this.startEditing(index);
- e.stopPropagation();
- }
- }
- },
- ensureVisible: function(editor){
- if(this.isVisible()){
- this.grid.getView().ensureVisible(this.rowIndex, this.grid.colModel.getIndexById(editor.column.id), true);
- }
- },
- onRowClick: function(g, rowIndex, e){
- if(this.clicksToEdit == 'auto'){
- var li = this.lastClickIndex;
- this.lastClickIndex = rowIndex;
- if(li != rowIndex && !this.isVisible()){
- return;
- }
- }
- this.startEditing(rowIndex, false);
- this.doFocus.defer(this.focusDelay, this, [e.getPoint()]);
- },
- onRowDblClick: function(g, rowIndex, e){
- this.startEditing(rowIndex, false);
- this.doFocus.defer(this.focusDelay, this, [e.getPoint()]);
- },
- onRender: function(){
- Ext.ux.grid.RowEditor.superclass.onRender.apply(this, arguments);
- this.el.swallowEvent(['keydown', 'keyup', 'keypress']);
- this.btns = new Ext.Panel({
- baseCls: 'x-plain',
- cls: 'x-btns',
- elements:'body',
- layout: 'table',
- width: (this.minButtonWidth * 2) + (this.frameWidth * 2) + (this.buttonPad * 4), // width must be specified for IE
- items: [{
- ref: 'saveBtn',
- itemId: 'saveBtn',
- xtype: 'button',
- text: this.saveText || 'Save',
- width: this.minButtonWidth,
- handler: this.stopEditing.createDelegate(this, [true])
- }, {
- xtype: 'button',
- text: this.cancelText || 'Cancel',
- width: this.minButtonWidth,
- handler: this.stopEditing.createDelegate(this, [false])
- }]
- });
- this.btns.render(this.bwrap);
- },
- afterRender: function(){
- Ext.ux.grid.RowEditor.superclass.afterRender.apply(this, arguments);
- this.positionButtons();
- if(this.monitorValid){
- this.startMonitoring();
- }
- },
- onShow: function(){
- if(this.monitorValid){
- this.startMonitoring();
- }
- Ext.ux.grid.RowEditor.superclass.onShow.apply(this, arguments);
- },
- onHide: function(){
- Ext.ux.grid.RowEditor.superclass.onHide.apply(this, arguments);
- this.stopMonitoring();
- this.grid.getView().focusRow(this.rowIndex);
- },
- positionButtons: function(){
- if(this.btns){
- var h = this.el.dom.clientHeight;
- var view = this.grid.getView();
- var scroll = view.scroller.dom.scrollLeft;
- var width = view.mainBody.getWidth();
- var bw = this.btns.getWidth();
- this.btns.el.shift({left: (width/2)-(bw/2)+scroll, top: h - 2, stopFx: true, duration:0.2});
- }
- },
- // private
- preEditValue : function(r, field){
- var value = r.data[field];
- return this.autoEncode && typeof value === 'string' ? Ext.util.Format.htmlDecode(value) : value;
- },
- // private
- postEditValue : function(value, originalValue, r, field){
- return this.autoEncode && typeof value == 'string' ? Ext.util.Format.htmlEncode(value) : value;
- },
- doFocus: function(pt){
- if(this.isVisible()){
- var index = 0;
- if(pt){
- index = this.getTargetColumnIndex(pt);
- }
- var cm = this.grid.getColumnModel();
- for(var i = index||0, len = cm.getColumnCount(); i < len; i++){
- var c = cm.getColumnAt(i);
- if(!c.hidden && c.getEditor()){
- c.getEditor().focus();
- break;
- }
- }
- }
- },
- getTargetColumnIndex: function(pt){
- var grid = this.grid, v = grid.view;
- var x = pt.left;
- var cms = grid.colModel.config;
- var i = 0, match = false;
- for(var len = cms.length, c; c = cms[i]; i++){
- if(!c.hidden){
- if(Ext.fly(v.getHeaderCell(i)).getRegion().right >= x){
- match = i;
- break;
- }
- }
- }
- return match;
- },
- startMonitoring : function(){
- if(!this.bound && this.monitorValid){
- this.bound = true;
- Ext.TaskMgr.start({
- run : this.bindHandler,
- interval : this.monitorPoll || 200,
- scope: this
- });
- }
- },
- stopMonitoring : function(){
- this.bound = false;
- if(this.tooltip){
- this.tooltip.hide();
- }
- },
- isValid: function(){
- var valid = true;
- this.items.each(function(f){
- if(!f.isValid(true)){
- valid = false;
- return false;
- }
- });
- return valid;
- },
- // private
- bindHandler : function(){
- if(!this.bound){
- return false; // stops binding
- }
- var valid = this.isValid();
- if(!valid && this.errorSummary){
- this.showTooltip(this.getErrorText().join(''));
- }
- this.btns.saveBtn.setDisabled(!valid);
- this.fireEvent('validation', this, valid);
- },
- showTooltip: function(msg){
- var t = this.tooltip;
- if(!t){
- t = this.tooltip = new Ext.ToolTip({
- maxWidth: 600,
- cls: 'errorTip',
- width: 300,
- title: 'Errors',
- autoHide: false,
- anchor: 'left',
- anchorToTarget: true,
- mouseOffset: [40,0]
- });
- }
- t.initTarget(this.items.last().getEl());
- if(!t.rendered){
- t.show();
- t.hide();
- }
- t.body.update(msg);
- t.doAutoWidth();
- t.show();
- },
- getErrorText: function(){
- var data = ['<ul>'];
- this.items.each(function(f){
- if(!f.isValid(true)){
- data.push('<li>', f.activeError, '</li>');
- }
- });
- data.push('</ul>');
- return data;
- }
- });
- Ext.preg('roweditor', Ext.ux.grid.RowEditor);
- Ext.override(Ext.form.Field, {
- markInvalid : function(msg){
- if(!this.rendered || this.preventMark){ // not rendered
- return;
- }
- msg = msg || this.invalidText;
- var mt = this.getMessageHandler();
- if(mt){
- mt.mark(this, msg);
- }else if(this.msgTarget){
- this.el.addClass(this.invalidClass);
- var t = Ext.getDom(this.msgTarget);
- if(t){
- t.innerHTML = msg;
- t.style.display = this.msgDisplay;
- }
- }
- this.activeError = msg;
- this.fireEvent('invalid', this, msg);
- }
- });
- Ext.override(Ext.ToolTip, {
- doAutoWidth : function(){
- var bw = this.body.getTextWidth();
- if(this.title){
- bw = Math.max(bw, this.header.child('span').getTextWidth(this.title));
- }
- bw += this.getFrameWidth() + (this.closable ? 20 : 0) + this.body.getPadding("lr") + 20;
- this.setWidth(bw.constrain(this.minWidth, this.maxWidth));
- // IE7 repaint bug on initial show
- if(Ext.isIE7 && !this.repainted){
- this.el.repaint();
- this.repainted = true;
- }
- }
- });