app/assets/javascripts/ext/src/widgets/Editor.js
/*!
* Ext JS Library 3.3.0
* Copyright(c) 2006-2010 Ext JS, Inc.
* 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>true</tt>.
*/
allowBlur: true,
/**
* @cfg {Boolean/String} autoSize
* True for the editor to automatically adopt the size of the underlying field, "width" to adopt the width only,
* or "height" to adopt the height only, "none" to always use the field dimensions. (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 {Array} offsets
* The offsets to use when aligning (see {@link Ext.Element#alignTo} for more details. Defaults to <tt>[0, 0]</tt>.
*/
offsets: [0, 0],
/**
* @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 <tt>true</tt>.
*/
completeOnEnter : true,
/**
* @cfg {Boolean} cancelOnEsc True to cancel the edit when the escape key is pressed. Defaults to <tt>true</tt>.
*/
cancelOnEsc : true,
/**
* @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.mon(this.field, {
scope: this,
blur: this.onBlur,
specialkey: this.onSpecialKey
});
if(this.field.grow){
this.mon(this.field, "autosize", this.el.sync, this.el, {delay:1});
}
this.field.render(this.el).show();
this.field.getEl().dom.name = '';
if(this.swallowKeys){
this.field.el.swallowEvent([
'keypress', // *** Opera
'keydown' // *** all other browsers
]);
}
},
// private
onSpecialKey : function(field, e){
var key = e.getKey(),
complete = this.completeOnEnter && key == e.ENTER,
cancel = this.cancelOnEsc && key == e.ESC;
if(complete || cancel){
e.stopEvent();
if(complete){
this.completeEdit();
}else{
this.cancelEdit();
}
if(field.triggerBlur){
field.triggerBlur();
}
}
this.fireEvent('specialkey', field, e);
},
/**
* 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){
this.startValue = v;
this.field.reset();
this.field.setValue(v);
this.realign(true);
this.editing = true;
this.show();
}
},
// private
doAutoSize : function(){
if(this.autoSize){
var sz = this.boundEl.getSize(),
fs = this.field.getSize();
switch(this.autoSize){
case "width":
this.setSize(sz.width, fs.height);
break;
case "height":
this.setSize(fs.width, sz.height);
break;
case "none":
this.setSize(fs.width, fs.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){
// IE7 in strict mode doesn't size properly.
if(Ext.isGecko2 || Ext.isOpera || (Ext.isIE7 && Ext.isStrict)){
// 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.
* @param {Boolean} autoSize (optional) True to size the field to the dimensions of the bound element.
*/
realign : function(autoSize){
if(autoSize === true){
this.doAutoSize();
}
this.el.alignTo(this.boundEl, this.alignment, this.offsets);
},
/**
* 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;
}
// Assert combo values first
if (this.field.assertValue) {
this.field.assertValue();
}
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().focus(false, true);
this.fireEvent("startedit", this.boundEl, this.startValue);
},
/**
* 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(){
// selectSameEditor flag allows the same editor to be started without onBlur firing on itself
if(this.allowBlur === true && this.editing && this.selectSameEditor !== true){
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.destroyMembers(this, 'field');
delete this.parentEl;
delete this.boundEl;
}
});
Ext.reg('editor', Ext.Editor);