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93 lines
2.7 KiB
JavaScript
93 lines
2.7 KiB
JavaScript
12 years ago
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define("dijit/form/SimpleTextarea", [
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"dojo/_base/declare", // declare
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"dojo/dom-class", // domClass.add
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"dojo/sniff", // has("ie") has("opera")
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"./TextBox"
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], function(declare, domClass, has, TextBox){
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// module:
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// dijit/form/SimpleTextarea
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return declare("dijit.form.SimpleTextarea", TextBox, {
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// summary:
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// A simple textarea that degrades, and responds to
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// minimal LayoutContainer usage, and works with dijit/form/Form.
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// Doesn't automatically size according to input, like Textarea.
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//
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// example:
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// | <textarea data-dojo-type="dijit/form/SimpleTextarea" name="foo" value="bar" rows=30 cols=40></textarea>
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//
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// example:
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// | new SimpleTextarea({ rows:20, cols:30 }, "foo");
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baseClass: "dijitTextBox dijitTextArea",
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// rows: Number
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// The number of rows of text.
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rows: "3",
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// rows: Number
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// The number of characters per line.
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cols: "20",
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templateString: "<textarea ${!nameAttrSetting} data-dojo-attach-point='focusNode,containerNode,textbox' autocomplete='off'></textarea>",
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postMixInProperties: function(){
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// Copy value from srcNodeRef, unless user specified a value explicitly (or there is no srcNodeRef)
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// TODO: parser will handle this in 2.0
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if(!this.value && this.srcNodeRef){
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this.value = this.srcNodeRef.value;
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}
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this.inherited(arguments);
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},
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buildRendering: function(){
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this.inherited(arguments);
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if(has("ie") && this.cols){ // attribute selectors is not supported in IE6
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domClass.add(this.textbox, "dijitTextAreaCols");
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}
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},
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filter: function(/*String*/ value){
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// Override TextBox.filter to deal with newlines... specifically (IIRC) this is for IE which writes newlines
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// as \r\n instead of just \n
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if(value){
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value = value.replace(/\r/g,"");
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}
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return this.inherited(arguments);
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},
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_onInput: function(/*Event?*/ e){
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// Override TextBox._onInput() to enforce maxLength restriction
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if(this.maxLength){
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var maxLength = parseInt(this.maxLength);
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var value = this.textbox.value.replace(/\r/g,'');
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var overflow = value.length - maxLength;
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if(overflow > 0){
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var textarea = this.textbox;
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if(textarea.selectionStart){
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var pos = textarea.selectionStart;
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var cr = 0;
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if(has("opera")){
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cr = (this.textbox.value.substring(0,pos).match(/\r/g) || []).length;
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}
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this.textbox.value = value.substring(0,pos-overflow-cr)+value.substring(pos-cr);
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textarea.setSelectionRange(pos-overflow, pos-overflow);
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}else if(this.ownerDocument.selection){ //IE
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textarea.focus();
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var range = this.ownerDocument.selection.createRange();
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// delete overflow characters
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range.moveStart("character", -overflow);
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range.text = '';
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// show cursor
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range.select();
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}
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}
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}
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this.inherited(arguments);
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}
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});
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});
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