diff options
Diffstat (limited to 'lib/dijit/form/Textarea.js')
| -rw-r--r-- | lib/dijit/form/Textarea.js | 169 |
1 files changed, 2 insertions, 167 deletions
diff --git a/lib/dijit/form/Textarea.js b/lib/dijit/form/Textarea.js index cc1ec917e..648a89ec7 100644 --- a/lib/dijit/form/Textarea.js +++ b/lib/dijit/form/Textarea.js @@ -1,167 +1,2 @@ -/* - Copyright (c) 2004-2011, The Dojo Foundation All Rights Reserved. - Available via Academic Free License >= 2.1 OR the modified BSD license. - see: http://dojotoolkit.org/license for details -*/ - - -if(!dojo._hasResource["dijit.form.Textarea"]){ //_hasResource checks added by build. Do not use _hasResource directly in your code. -dojo._hasResource["dijit.form.Textarea"] = true; -dojo.provide("dijit.form.Textarea"); -dojo.require("dijit.form.SimpleTextarea"); - - -dojo.declare( - "dijit.form.Textarea", - dijit.form.SimpleTextarea, - { - // summary: - // A textarea widget that adjusts it's height according to the amount of data. - // - // description: - // A textarea that dynamically expands/contracts (changing it's height) as - // the user types, to display all the text without requiring a scroll bar. - // - // Takes nearly all the parameters (name, value, etc.) that a vanilla textarea takes. - // Rows is not supported since this widget adjusts the height. - // - // example: - // | <textarea dojoType="dijit.form.TextArea">...</textarea> - - - // TODO: for 2.0, rename this to ExpandingTextArea, and rename SimpleTextarea to Textarea - - baseClass: "dijitTextBox dijitTextArea dijitExpandingTextArea", - - // Override SimpleTextArea.cols to default to width:100%, for backward compatibility - cols: "", - - _previousNewlines: 0, - _strictMode: (dojo.doc.compatMode != 'BackCompat'), // not the same as !dojo.isQuirks - - _getHeight: function(textarea){ - var newH = textarea.scrollHeight; - if(dojo.isIE){ - newH += textarea.offsetHeight - textarea.clientHeight - ((dojo.isIE < 8 && this._strictMode) ? dojo._getPadBorderExtents(textarea).h : 0); - }else if(dojo.isMoz){ - newH += textarea.offsetHeight - textarea.clientHeight; // creates room for horizontal scrollbar - }else if(dojo.isWebKit){ - newH += dojo._getBorderExtents(textarea).h; - }else{ // Opera 9.6 (TODO: test if this is still needed) - newH += dojo._getPadBorderExtents(textarea).h; - } - return newH; - }, - - _estimateHeight: function(textarea){ - // summary: - // Approximate the height when the textarea is invisible with the number of lines in the text. - // Fails when someone calls setValue with a long wrapping line, but the layout fixes itself when the user clicks inside so . . . - // In IE, the resize event is supposed to fire when the textarea becomes visible again and that will correct the size automatically. - // - textarea.style.maxHeight = ""; - textarea.style.height = "auto"; - // #rows = #newlines+1 - // Note: on Moz, the following #rows appears to be 1 too many. - // Actually, Moz is reserving room for the scrollbar. - // If you increase the font size, this behavior becomes readily apparent as the last line gets cut off without the +1. - textarea.rows = (textarea.value.match(/\n/g) || []).length + 1; - }, - - _needsHelpShrinking: dojo.isMoz || dojo.isWebKit, - - _onInput: function(){ - // Override SimpleTextArea._onInput() to deal with height adjustment - this.inherited(arguments); - if(this._busyResizing){ return; } - this._busyResizing = true; - var textarea = this.textbox; - if(textarea.scrollHeight && textarea.offsetHeight && textarea.clientHeight){ - var newH = this._getHeight(textarea) + "px"; - if(textarea.style.height != newH){ - textarea.style.maxHeight = textarea.style.height = newH; - } - if(this._needsHelpShrinking){ - if(this._setTimeoutHandle){ - clearTimeout(this._setTimeoutHandle); - } - this._setTimeoutHandle = setTimeout(dojo.hitch(this, "_shrink"), 0); // try to collapse multiple shrinks into 1 - } - }else{ - // hidden content of unknown size - this._estimateHeight(textarea); - } - this._busyResizing = false; - }, - - _busyResizing: false, - _shrink: function(){ - // grow paddingBottom to see if scrollHeight shrinks (when it is unneccesarily big) - this._setTimeoutHandle = null; - if(this._needsHelpShrinking && !this._busyResizing){ - this._busyResizing = true; - var textarea = this.textbox; - var empty = false; - if(textarea.value == ''){ - textarea.value = ' '; // prevent collapse all the way back to 0 - empty = true; - } - var scrollHeight = textarea.scrollHeight; - if(!scrollHeight){ - this._estimateHeight(textarea); - }else{ - var oldPadding = textarea.style.paddingBottom; - var newPadding = dojo._getPadExtents(textarea); - newPadding = newPadding.h - newPadding.t; - textarea.style.paddingBottom = newPadding + 1 + "px"; // tweak padding to see if height can be reduced - var newH = this._getHeight(textarea) - 1 + "px"; // see if the height changed by the 1px added - if(textarea.style.maxHeight != newH){ // if can be reduced, so now try a big chunk - textarea.style.paddingBottom = newPadding + scrollHeight + "px"; - textarea.scrollTop = 0; - textarea.style.maxHeight = this._getHeight(textarea) - scrollHeight + "px"; // scrollHeight is the added padding - } - textarea.style.paddingBottom = oldPadding; - } - if(empty){ - textarea.value = ''; - } - this._busyResizing = false; - } - }, - - resize: function(){ - // summary: - // Resizes the textarea vertically (should be called after a style/value change) - this._onInput(); - }, - - _setValueAttr: function(){ - this.inherited(arguments); - this.resize(); - }, - - buildRendering: function(){ - this.inherited(arguments); - - // tweak textarea style to reduce browser differences - dojo.style(this.textbox, { overflowY: 'hidden', overflowX: 'auto', boxSizing: 'border-box', MsBoxSizing: 'border-box', WebkitBoxSizing: 'border-box', MozBoxSizing: 'border-box' }); - }, - - postCreate: function(){ - this.inherited(arguments); - - this.connect(this.textbox, "onscroll", "_onInput"); - this.connect(this.textbox, "onresize", "_onInput"); - this.connect(this.textbox, "onfocus", "_onInput"); // useful when a previous estimate was off a bit - this._setTimeoutHandle = setTimeout(dojo.hitch(this, "resize"), 0); - }, - - uninitialize: function(){ - if(this._setTimeoutHandle){ - clearTimeout(this._setTimeoutHandle); - } - this.inherited(arguments); - } -}); - -} +//>>built +define("dijit/form/Textarea",["dojo/_base/declare","dojo/dom-style","./_ExpandingTextAreaMixin","./SimpleTextarea"],function(_1,_2,_3,_4){return _1("dijit.form.Textarea",[_4,_3],{baseClass:"dijitTextBox dijitTextArea dijitExpandingTextArea",cols:"",buildRendering:function(){this.inherited(arguments);_2.set(this.textbox,{overflowY:"hidden",overflowX:"auto",boxSizing:"border-box",MsBoxSizing:"border-box",WebkitBoxSizing:"border-box",MozBoxSizing:"border-box"});}});});
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