Editor.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:13k
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.Editor
- * @extends Ext.Component
- * A base editor field that handles displaying/hiding on demand and has some built-in sizing and event handling logic.
- * @constructor
- * Create a new Editor
- * @param {Object} config The config object
- * @xtype editor
- */
- Ext.Editor = function(field, config){
- if(field.field){
- this.field = Ext.create(field.field, 'textfield');
- config = Ext.apply({}, field); // copy so we don't disturb original config
- delete config.field;
- }else{
- this.field = field;
- }
- Ext.Editor.superclass.constructor.call(this, config);
- };
- Ext.extend(Ext.Editor, Ext.Component, {
- /**
- * @cfg {Ext.form.Field} field
- * The Field object (or descendant) or config object for field
- */
- /**
- * @cfg {Boolean} allowBlur
- * True to {@link #completeEdit complete the editing process} if in edit mode when the
- * field is blurred. Defaults to <tt>false</tt>.
- */
- /**
- * @cfg {Boolean/String} autoSize
- * True for the editor to automatically adopt the size of the element being edited, "width" to adopt the width only,
- * or "height" to adopt the height only (defaults to false)
- */
- /**
- * @cfg {Boolean} revertInvalid
- * True to automatically revert the field value and cancel the edit when the user completes an edit and the field
- * validation fails (defaults to true)
- */
- /**
- * @cfg {Boolean} ignoreNoChange
- * True to skip the edit completion process (no save, no events fired) if the user completes an edit and
- * the value has not changed (defaults to false). Applies only to string values - edits for other data types
- * will never be ignored.
- */
- /**
- * @cfg {Boolean} hideEl
- * False to keep the bound element visible while the editor is displayed (defaults to true)
- */
- /**
- * @cfg {Mixed} value
- * The data value of the underlying field (defaults to "")
- */
- value : "",
- /**
- * @cfg {String} alignment
- * The position to align to (see {@link Ext.Element#alignTo} for more details, defaults to "c-c?").
- */
- alignment: "c-c?",
- /**
- * @cfg {Boolean/String} shadow "sides" for sides/bottom only, "frame" for 4-way shadow, and "drop"
- * for bottom-right shadow (defaults to "frame")
- */
- shadow : "frame",
- /**
- * @cfg {Boolean} constrain True to constrain the editor to the viewport
- */
- constrain : false,
- /**
- * @cfg {Boolean} swallowKeys Handle the keydown/keypress events so they don't propagate (defaults to true)
- */
- swallowKeys : true,
- /**
- * @cfg {Boolean} completeOnEnter True to complete the edit when the enter key is pressed (defaults to false)
- */
- completeOnEnter : false,
- /**
- * @cfg {Boolean} cancelOnEsc True to cancel the edit when the escape key is pressed (defaults to false)
- */
- cancelOnEsc : false,
- /**
- * @cfg {Boolean} updateEl True to update the innerHTML of the bound element when the update completes (defaults to false)
- */
- updateEl : false,
- initComponent : function(){
- Ext.Editor.superclass.initComponent.call(this);
- this.addEvents(
- /**
- * @event beforestartedit
- * Fires when editing is initiated, but before the value changes. Editing can be canceled by returning
- * false from the handler of this event.
- * @param {Editor} this
- * @param {Ext.Element} boundEl The underlying element bound to this editor
- * @param {Mixed} value The field value being set
- */
- "beforestartedit",
- /**
- * @event startedit
- * Fires when this editor is displayed
- * @param {Ext.Element} boundEl The underlying element bound to this editor
- * @param {Mixed} value The starting field value
- */
- "startedit",
- /**
- * @event beforecomplete
- * Fires after a change has been made to the field, but before the change is reflected in the underlying
- * field. Saving the change to the field can be canceled by returning false from the handler of this event.
- * Note that if the value has not changed and ignoreNoChange = true, the editing will still end but this
- * event will not fire since no edit actually occurred.
- * @param {Editor} this
- * @param {Mixed} value The current field value
- * @param {Mixed} startValue The original field value
- */
- "beforecomplete",
- /**
- * @event complete
- * Fires after editing is complete and any changed value has been written to the underlying field.
- * @param {Editor} this
- * @param {Mixed} value The current field value
- * @param {Mixed} startValue The original field value
- */
- "complete",
- /**
- * @event canceledit
- * Fires after editing has been canceled and the editor's value has been reset.
- * @param {Editor} this
- * @param {Mixed} value The user-entered field value that was discarded
- * @param {Mixed} startValue The original field value that was set back into the editor after cancel
- */
- "canceledit",
- /**
- * @event specialkey
- * Fires when any key related to navigation (arrows, tab, enter, esc, etc.) is pressed. You can check
- * {@link Ext.EventObject#getKey} to determine which key was pressed.
- * @param {Ext.form.Field} this
- * @param {Ext.EventObject} e The event object
- */
- "specialkey"
- );
- },
- // private
- onRender : function(ct, position){
- this.el = new Ext.Layer({
- shadow: this.shadow,
- cls: "x-editor",
- parentEl : ct,
- shim : this.shim,
- shadowOffset: this.shadowOffset || 4,
- id: this.id,
- constrain: this.constrain
- });
- if(this.zIndex){
- this.el.setZIndex(this.zIndex);
- }
- this.el.setStyle("overflow", Ext.isGecko ? "auto" : "hidden");
- if(this.field.msgTarget != 'title'){
- this.field.msgTarget = 'qtip';
- }
- this.field.inEditor = true;
- this.field.render(this.el);
- if(Ext.isGecko){
- this.field.el.dom.setAttribute('autocomplete', 'off');
- }
- this.mon(this.field, "specialkey", this.onSpecialKey, this);
- if(this.swallowKeys){
- this.field.el.swallowEvent(['keydown','keypress']);
- }
- this.field.show();
- this.mon(this.field, "blur", this.onBlur, this);
- if(this.field.grow){
- this.mon(this.field, "autosize", this.el.sync, this.el, {delay:1});
- }
- },
- // private
- onSpecialKey : function(field, e){
- var key = e.getKey();
- if(this.completeOnEnter && key == e.ENTER){
- e.stopEvent();
- this.completeEdit();
- }else if(this.cancelOnEsc && key == e.ESC){
- this.cancelEdit();
- }else{
- this.fireEvent('specialkey', field, e);
- }
- if(this.field.triggerBlur && (key == e.ENTER || key == e.ESC || key == e.TAB)){
- this.field.triggerBlur();
- }
- },
- /**
- * Starts the editing process and shows the editor.
- * @param {Mixed} el The element to edit
- * @param {String} value (optional) A value to initialize the editor with. If a value is not provided, it defaults
- * to the innerHTML of el.
- */
- startEdit : function(el, value){
- if(this.editing){
- this.completeEdit();
- }
- this.boundEl = Ext.get(el);
- var v = value !== undefined ? value : this.boundEl.dom.innerHTML;
- if(!this.rendered){
- this.render(this.parentEl || document.body);
- }
- if(this.fireEvent("beforestartedit", this, this.boundEl, v) === false){
- return;
- }
- this.startValue = v;
- this.field.setValue(v);
- this.doAutoSize();
- this.el.alignTo(this.boundEl, this.alignment);
- this.editing = true;
- this.show();
- },
- // private
- doAutoSize : function(){
- if(this.autoSize){
- var sz = this.boundEl.getSize();
- switch(this.autoSize){
- case "width":
- this.setSize(sz.width, "");
- break;
- case "height":
- this.setSize("", sz.height);
- break;
- default:
- this.setSize(sz.width, sz.height);
- }
- }
- },
- /**
- * Sets the height and width of this editor.
- * @param {Number} width The new width
- * @param {Number} height The new height
- */
- setSize : function(w, h){
- delete this.field.lastSize;
- this.field.setSize(w, h);
- if(this.el){
- if(Ext.isGecko2 || Ext.isOpera){
- // prevent layer scrollbars
- this.el.setSize(w, h);
- }
- this.el.sync();
- }
- },
- /**
- * Realigns the editor to the bound field based on the current alignment config value.
- */
- realign : function(){
- this.el.alignTo(this.boundEl, this.alignment);
- },
- /**
- * Ends the editing process, persists the changed value to the underlying field, and hides the editor.
- * @param {Boolean} remainVisible Override the default behavior and keep the editor visible after edit (defaults to false)
- */
- completeEdit : function(remainVisible){
- if(!this.editing){
- return;
- }
- var v = this.getValue();
- if(!this.field.isValid()){
- if(this.revertInvalid !== false){
- this.cancelEdit(remainVisible);
- }
- return;
- }
- if(String(v) === String(this.startValue) && this.ignoreNoChange){
- this.hideEdit(remainVisible);
- return;
- }
- if(this.fireEvent("beforecomplete", this, v, this.startValue) !== false){
- v = this.getValue();
- if(this.updateEl && this.boundEl){
- this.boundEl.update(v);
- }
- this.hideEdit(remainVisible);
- this.fireEvent("complete", this, v, this.startValue);
- }
- },
- // private
- onShow : function(){
- this.el.show();
- if(this.hideEl !== false){
- this.boundEl.hide();
- }
- this.field.show();
- if(Ext.isIE && !this.fixIEFocus){ // IE has problems with focusing the first time
- this.fixIEFocus = true;
- this.deferredFocus.defer(50, this);
- }else{
- this.field.focus();
- }
- this.fireEvent("startedit", this.boundEl, this.startValue);
- },
- deferredFocus : function(){
- if(this.editing){
- this.field.focus();
- }
- },
- /**
- * Cancels the editing process and hides the editor without persisting any changes. The field value will be
- * reverted to the original starting value.
- * @param {Boolean} remainVisible Override the default behavior and keep the editor visible after
- * cancel (defaults to false)
- */
- cancelEdit : function(remainVisible){
- if(this.editing){
- var v = this.getValue();
- this.setValue(this.startValue);
- this.hideEdit(remainVisible);
- this.fireEvent("canceledit", this, v, this.startValue);
- }
- },
- // private
- hideEdit: function(remainVisible){
- if(remainVisible !== true){
- this.editing = false;
- this.hide();
- }
- },
- // private
- onBlur : function(){
- if(this.allowBlur !== true && this.editing){
- this.completeEdit();
- }
- },
- // private
- onHide : function(){
- if(this.editing){
- this.completeEdit();
- return;
- }
- this.field.blur();
- if(this.field.collapse){
- this.field.collapse();
- }
- this.el.hide();
- if(this.hideEl !== false){
- this.boundEl.show();
- }
- },
- /**
- * Sets the data value of the editor
- * @param {Mixed} value Any valid value supported by the underlying field
- */
- setValue : function(v){
- this.field.setValue(v);
- },
- /**
- * Gets the data value of the editor
- * @return {Mixed} The data value
- */
- getValue : function(){
- return this.field.getValue();
- },
- beforeDestroy : function(){
- Ext.destroy(this.field);
- this.field = null;
- }
- });
- Ext.reg('editor', Ext.Editor);