259 lines
10 KiB
JavaScript
259 lines
10 KiB
JavaScript
/*
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* Copyright (c) 2014-2016, b3log.org & hacpai.com
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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/*
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* @file session.js
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*
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* @author <a href="http://vanessa.b3log.org">Liyuan Li</a>
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* @version 1.1.0.1, Dec 8, 2015
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*/
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var session = {
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init: function () {
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this._initWS();
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var getLayoutState = function (paneState) {
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var state = 'normal';
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if (paneState.isClosed) {
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state = 'min';
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} else if (paneState.size >= $('body').width()) {
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state = 'max';
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}
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return state;
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};
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// save session content every 30 seconds
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setInterval(function () {
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var request = newWideRequest(),
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filse = [],
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fileTree = [],
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currentId = editors.getCurrentId(),
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currentFile = currentId ? editors.getCurrentPath() : "";
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editors.tabs.obj._$tabs.find("div").each(function () {
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var $it = $(this);
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if ($it.find("span:eq(0)").attr("title") !== config.label.start_page) {
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filse.push($it.find("span:eq(0)").attr("title"));
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}
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});
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fileTree = tree.getOpenPaths();
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request.currentFile = currentFile; // current editor file
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request.fileTree = fileTree; // file tree expansion state
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request.files = filse; // editor tabs
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request.layout = {
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"side": {
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"size": windows.outerLayout.west.state.size,
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"state": getLayoutState(windows.outerLayout.west.state)
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},
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"sideRight": {
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"size": windows.innerLayout.east.state.size,
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"state": getLayoutState(windows.innerLayout.east.state)
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},
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"bottom": {
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"size": windows.innerLayout.south.state.size,
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"state": getLayoutState(windows.innerLayout.south.state)
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}
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};
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$.ajax({
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type: 'POST',
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url: config.context + '/session/save',
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data: JSON.stringify(request),
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dataType: "json",
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success: function (result) {
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}
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});
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}, 30000);
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},
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restore: function () {
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if (!config.latestSessionContent) {
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return;
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}
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var fileTree = config.latestSessionContent.fileTree,
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files = config.latestSessionContent.files,
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currentFile = config.latestSessionContent.currentFile,
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id = "",
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nodesToOpen = [];
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var nodes = tree.fileTree.transformToArray(tree.fileTree.getNodes());
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for (var i = 0, ii = nodes.length; i < ii; i++) {
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// expand tree
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for (var j = 0, jj = fileTree.length; j < jj; j++) {
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if (nodes[i].path === fileTree[j]) {
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// expand this node only if its parents are open
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var parents = tree.getAllParents(tree.fileTree.getNodeByTId(nodes[i].tId)),
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isOpen = true;
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for (var l = 0, max = parents.length; l < max; l++) {
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if (parents[l].open === false) {
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isOpen = false;
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}
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}
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if (isOpen) {
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tree.fileTree.expandNode(nodes[i], true, false, true);
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} else {
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// flag it is open
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nodes[i].open = true;
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}
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break;
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}
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}
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// open editors
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for (var k = 0, kk = files.length; k < kk; k++) {
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if (nodes[i].path === files[k]) {
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nodesToOpen.push(nodes[i]);
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break;
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}
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}
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if (nodes[i].path === currentFile) {
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id = nodes[i].path;
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// FIXME: 上面的展开是异步进行的，所以执行到这里的时候可能还没有展开完，导致定位不了可视区域
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tree.fileTree.selectNode(nodes[i]);
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wide.curNode = nodes[i];
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}
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}
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// handle the open sequence of editors
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for (var m = 0, mm = files.length; m < mm; m++) {
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for (var n = 0, nn = nodesToOpen.length; n < nn; n++) {
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if (nodesToOpen[n].path === files[m]) {
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tree.openFile(nodesToOpen[n]);
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break;
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}
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}
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}
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// set the current editor
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editors.tabs.setCurrent(id);
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for (var c = 0, max = editors.data.length; c < max; c++) {
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if (id === editors.data[c].id) {
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wide.curEditor = editors.data[c].editor;
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break;
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}
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}
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},
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_initWS: function () {
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// Used for session retention, server will release all resources of the session if this channel closed
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var sessionWS = new ReconnectingWebSocket(config.channel + '/session/ws?sid=' + config.wideSessionId);
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sessionWS.onopen = function () {
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console.log('[session onopen] connected');
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var dateFormat = function (time, fmt) {
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var date = new Date(time);
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var dateObj = {
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"M+": date.getMonth() + 1,
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"d+": date.getDate(),
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"h+": date.getHours(),
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"m+": date.getMinutes(),
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"s+": date.getSeconds(),
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"q+": Math.floor((date.getMonth() + 3) / 3),
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"S": date.getMilliseconds()
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};
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if (/(y+)/.test(fmt))
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fmt = fmt.replace(RegExp.$1, (date.getFullYear() + "").substr(4 - RegExp.$1.length));
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for (var k in dateObj)
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if (new RegExp("(" + k + ")").test(fmt)) {
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fmt = fmt.replace(RegExp.$1, (RegExp.$1.length === 1)
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? (dateObj[k]) : (("00" + dateObj[k]).substr(("" + dateObj[k]).length)));
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}
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return fmt;
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};
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var data = {type: "Network", severity: "INFO",
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message: "Connected to server [sid=" + config.wideSessionId + "], " + dateFormat(new Date().getTime(), 'yyyy-MM-dd hh:mm:ss')},
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$notification = $('.bottom-window-group .notification > table'),
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notificationHTML = '';
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notificationHTML += '<tr><td class="severity">' + data.severity
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+ '</td><td class="message">' + data.message
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+ '</td><td class="type">' + data.type + '</td></tr>';
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$notification.append(notificationHTML);
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};
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sessionWS.onmessage = function (e) {
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var data = JSON.parse(e.data);
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switch (data.cmd) {
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case 'create-file':
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var node = tree.fileTree.getNodeByTId(tree.getTIdByPath(data.dir)),
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name = data.path.replace(data.dir + '/', ''),
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mode = CodeMirror.findModeByFileName(name),
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iconSkin = wide.getClassBySuffix(name.split(".")[1]);
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if (data.type && data.type === 'f') {
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tree.fileTree.addNodes(node, [{
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"id": data.path,
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"name": name,
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"iconSkin": iconSkin,
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"path": data.path,
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"mode": mode,
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"removable": true,
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"creatable": true
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}]);
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} else {
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tree.fileTree.addNodes(node, [{
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"id": data.path,
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"name": name,
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"iconSkin": "ico-ztree-dir ",
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"path": data.path,
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"removable": true,
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"creatable": true,
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"isParent": true
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}]);
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}
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break;
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case 'remove-file':
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case 'rename-file':
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var node = tree.fileTree.getNodeByTId(tree.getTIdByPath(data.path));
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tree.fileTree.removeNode(node);
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var nodes = tree.fileTree.transformToArray(node);
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for (var i = 0, ii = nodes.length; i < ii; i++) {
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editors.tabs.del(nodes[i].path);
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}
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break;
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}
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};
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sessionWS.onclose = function (e) {
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console.log('[session onclose] disconnected (' + e.code + ')');
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var data = {type: "Network", severity: "ERROR",
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message: "Disconnected from server, trying to reconnect it [sid=" + config.wideSessionId + "]"},
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$notification = $('.bottom-window-group .notification > table'),
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notificationHTML = '';
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notificationHTML += '<tr><td class="severity">' + data.severity
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+ '</td><td class="message">' + data.message
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+ '</td><td class="type">' + data.type + '</td></tr>';
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$notification.append(notificationHTML);
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$(".notification-count").show();
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};
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sessionWS.onerror = function (e) {
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console.log('[session onerror]');
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};
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}
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}; |