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/* |
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* Copyright (C) 2004 Baron Schwartz <baron at sequent dot org> |
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* |
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* This program is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU Lesser General Public License as published by the |
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* Free Software Foundation, version 2.1. |
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* |
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* This program is distributed in the hope that it will be useful, but WITHOUT |
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS |
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* FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more |
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* details. |
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*/ |
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var key; |
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var combo; |
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document.onkeydown = function(e) { |
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if (combo && combo.editing && window.event && window.event.keyCode == 8) { |
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window.event.cancelBubble = true; |
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window.event.returnValue = false; |
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if (combo.insertSpace) { |
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combo.insertSpace = false; |
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} |
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else { |
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with (combo.options[combo.options.length - 1]) { |
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text = text.substring(0, text.length - 1); |
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} |
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} |
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} |
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} |
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function edit(e) { |
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if (window.event){ |
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key = window.event.keyCode; |
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combo = window.event.srcElement; |
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// Stop the browser from scrolling through <option>s |
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window.event.cancelBubble = true; |
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window.event.returnValue = false; |
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} |
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else if (e) { |
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key = e.which; |
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combo = e.target; |
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} |
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else { |
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return true; |
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} |
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if (key == 13 || key == 8 || (key > 31 && key < 127)) { |
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if (combo.editing && key == 13) { |
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// Done editing |
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combo.editing = false; |
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combo = null; |
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return false; |
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} |
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else if (!combo.editing) { |
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combo.editing = true; |
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combo.options[combo.options.length] = new Option(""); |
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} |
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// Normal key |
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if (key > 32 && key < 127) { |
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with (combo.options[combo.options.length - 1]) { |
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if (combo.insertSpace) { |
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combo.insertSpace = false; |
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text = text + " " + String.fromCharCode(key); |
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} |
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else { |
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text = text + String.fromCharCode(key); |
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} |
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} |
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} |
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// The backspace key |
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else if (key == 8 && combo.options[combo.options.length - 1].text.length) { |
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if (combo.insertSpace) { |
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combo.insertSpace = false; |
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} |
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else { |
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with (combo.options[combo.options.length - 1]) { |
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text = text.substring(0, text.length - 1); |
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} |
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} |
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} |
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// Space key requires special treatment; some browsers will not append a space |
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else if (key == 32) { |
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combo.insertSpace = true; |
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} |
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combo.selectedIndex = combo.options.length - 1; |
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return false; |
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} |
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} |