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274 lines
8.3 KiB
JavaScript
274 lines
8.3 KiB
JavaScript
/* vim:ts=4:sts=4:sw=4:
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* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is Ajax.org Code Editor (ACE).
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*
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* The Initial Developer of the Original Code is
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* Ajax.org B.V.
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* Portions created by the Initial Developer are Copyright (C) 2010
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* Fabian Jakobs <fabian AT ajax DOT org>
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* Mihai Sucan <mihai DOT sucan AT gmail DOT com>
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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define(function(require, exports, module) {
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var event = require("pilot/event");
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var useragent = require("pilot/useragent");
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var dom = require("pilot/dom");
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var TextInput = function(parentNode, host) {
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var text = dom.createElement("textarea");
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if (useragent.isTouchPad)
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text.setAttribute('x-palm-disable-auto-cap',true);
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text.style.left = "-10000px";
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parentNode.appendChild(text);
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var PLACEHOLDER = String.fromCharCode(0);
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sendText();
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var inCompostion = false;
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var copied = false;
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var pasted = false;
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var tempStyle = '';
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function select() {
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try {
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text.select();
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} catch (e) {}
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};
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function sendText(valueToSend) {
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if (!copied) {
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var value = valueToSend || text.value;
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if (value) {
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if (value.charCodeAt(value.length-1) == PLACEHOLDER.charCodeAt(0)) {
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value = value.slice(0, -1);
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if (value)
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host.onTextInput(value, !pasted);
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}
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else {
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host.onTextInput(value, !pasted);
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}
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// If editor is no longer focused we quit immediately, since
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// it means that something else is in charge now.
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if (!isFocused())
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return false;
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}
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}
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copied = false;
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pasted = false;
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// Safari doesn't fire copy events if no text is selected
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text.value = PLACEHOLDER;
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select();
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}
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var onTextInput = function(e) {
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setTimeout(function () {
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if (!inCompostion)
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sendText(e.data);
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}, 0);
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};
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var onPropertyChange = function(e) {
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if (useragent.isOldIE && text.value.charCodeAt(0) > 128) return;
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setTimeout(function() {
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if (!inCompostion)
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sendText();
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}, 0);
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};
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var onCompositionStart = function(e) {
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inCompostion = true;
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host.onCompositionStart();
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if (!useragent.isGecko) setTimeout(onCompositionUpdate, 0);
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};
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var onCompositionUpdate = function() {
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if (!inCompostion) return;
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host.onCompositionUpdate(text.value);
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};
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var onCompositionEnd = function(e) {
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inCompostion = false;
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host.onCompositionEnd();
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};
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var onCopy = function(e) {
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copied = true;
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var copyText = host.getCopyText();
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if(copyText)
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text.value = copyText;
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else
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e.preventDefault();
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select();
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setTimeout(function () {
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sendText();
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}, 0);
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};
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var onCut = function(e) {
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copied = true;
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var copyText = host.getCopyText();
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if(copyText) {
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text.value = copyText;
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host.onCut();
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} else
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e.preventDefault();
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select();
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setTimeout(function () {
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sendText();
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}, 0);
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};
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event.addCommandKeyListener(text, host.onCommandKey.bind(host));
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if (useragent.isOldIE) {
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var keytable = { 13:1, 27:1 };
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event.addListener(text, "keyup", function (e) {
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if (inCompostion && (!text.value || keytable[e.keyCode]))
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setTimeout(onCompositionEnd, 0);
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if ((text.value.charCodeAt(0)|0) < 129) {
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return;
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};
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inCompostion ? onCompositionUpdate() : onCompositionStart();
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});
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};
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if ("onpropertychange" in text && !("oninput" in text))
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event.addListener(text, "propertychange", onPropertyChange);
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else
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event.addListener(text, "input", onTextInput);
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event.addListener(text, "paste", function(e) {
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// Mark that the next input text comes from past.
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pasted = true;
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// Some browsers support the event.clipboardData API. Use this to get
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// the pasted content which increases speed if pasting a lot of lines.
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if (e.clipboardData && e.clipboardData.getData) {
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sendText(e.clipboardData.getData("text/plain"));
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e.preventDefault();
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}
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else {
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// If a browser doesn't support any of the things above, use the regular
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// method to detect the pasted input.
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onPropertyChange();
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}
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});
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if ("onbeforecopy" in text && typeof clipboardData !== "undefined") {
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event.addListener(text, "beforecopy", function(e) {
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var copyText = host.getCopyText();
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if(copyText)
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clipboardData.setData("Text", copyText);
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else
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e.preventDefault();
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});
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event.addListener(parentNode, "keydown", function(e) {
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if (e.ctrlKey && e.keyCode == 88) {
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var copyText = host.getCopyText();
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if (copyText) {
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clipboardData.setData("Text", copyText);
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host.onCut();
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}
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event.preventDefault(e)
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}
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});
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}
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else {
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event.addListener(text, "copy", onCopy);
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event.addListener(text, "cut", onCut);
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}
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event.addListener(text, "compositionstart", onCompositionStart);
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if (useragent.isGecko) {
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event.addListener(text, "text", onCompositionUpdate);
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};
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if (useragent.isWebKit) {
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event.addListener(text, "keyup", onCompositionUpdate);
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};
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event.addListener(text, "compositionend", onCompositionEnd);
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event.addListener(text, "blur", function() {
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host.onBlur();
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});
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event.addListener(text, "focus", function() {
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host.onFocus();
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select();
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});
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this.focus = function() {
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host.onFocus();
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select();
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text.focus();
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};
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this.blur = function() {
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text.blur();
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};
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function isFocused() {
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return document.activeElement === text;
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};
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this.isFocused = isFocused;
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this.getElement = function() {
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return text;
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};
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this.onContextMenu = function(mousePos, isEmpty){
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if (mousePos) {
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if(!tempStyle)
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tempStyle = text.style.cssText;
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text.style.cssText = 'position:fixed; z-index:1000;' +
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'left:' + (mousePos.x - 2) + 'px; top:' + (mousePos.y - 2) + 'px;'
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}
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if (isEmpty)
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text.value='';
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}
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this.onContextMenuClose = function(){
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setTimeout(function () {
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if (tempStyle) {
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text.style.cssText = tempStyle;
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tempStyle = '';
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}
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sendText();
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}, 0);
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}
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};
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exports.TextInput = TextInput;
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});
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