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/**
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* plugin.js
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*
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* Copyright, Moxiecode Systems AB
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* Released under LGPL License.
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*
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* License: http://www.tinymce.com/license
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* Contributing: http://www.tinymce.com/contributing
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*/
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/*global tinymce:true */
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tinymce.PluginManager.add('autosave', function(editor) {
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var settings = editor.settings, LocalStorage = tinymce.util.LocalStorage, prefix = editor.id, started;
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function parseTime(time, defaultTime) {
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var multipels = {
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s: 1000,
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m: 60000
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};
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time = /^(\d+)([ms]?)$/.exec('' + (time || defaultTime));
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return (time[2] ? multipels[time[2]] : 1) * parseInt(time, 10);
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}
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function hasDraft() {
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var time = parseInt(LocalStorage.getItem(prefix + "autosave.time"), 10) || 0;
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if (new Date().getTime() - time > settings.autosave_retention) {
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removeDraft(false);
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return false;
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}
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return true;
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}
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function removeDraft(fire) {
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LocalStorage.removeItem(prefix + "autosave.draft");
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LocalStorage.removeItem(prefix + "autosave.time");
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if (fire !== false) {
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editor.fire('RemoveDraft');
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}
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}
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function storeDraft() {
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if (!isEmpty()) {
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LocalStorage.setItem(prefix + "autosave.draft", editor.getContent({format: 'raw', no_events: true}));
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LocalStorage.setItem(prefix + "autosave.time", new Date().getTime());
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editor.fire('StoreDraft');
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}
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}
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function restoreDraft() {
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if (hasDraft()) {
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editor.setContent(LocalStorage.getItem(prefix + "autosave.draft"), {format: 'raw'});
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editor.fire('RestoreDraft');
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}
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}
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function startStoreDraft() {
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if (!started) {
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setInterval(function() {
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if (!editor.removed) {
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storeDraft();
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}
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}, settings.autosave_interval);
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started = true;
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}
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}
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settings.autosave_interval = parseTime(settings.autosave_interval, '30s');
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settings.autosave_retention = parseTime(settings.autosave_retention, '20m');
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function postRender() {
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var self = this;
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self.disabled(!hasDraft());
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editor.on('StoreDraft RestoreDraft RemoveDraft', function() {
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self.disabled(!hasDraft());
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});
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startStoreDraft();
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}
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function restoreLastDraft() {
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editor.undoManager.beforeChange();
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restoreDraft();
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removeDraft();
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editor.undoManager.add();
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}
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editor.addButton('restoredraft', {
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title: 'Restore last draft',
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onclick: restoreLastDraft,
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onPostRender: postRender
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});
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editor.addMenuItem('restoredraft', {
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text: 'Restore last draft',
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onclick: restoreLastDraft,
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onPostRender: postRender,
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context: 'file'
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});
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// Internal unload handler will be called before the page is unloaded
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function beforeUnloadHandler() {
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var msg;
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tinymce.each(tinymce.editors, function(editor) {
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// Store a draft for each editor instance
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if (editor.plugins.autosave) {
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editor.plugins.autosave.storeDraft();
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}
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// Setup a return message if the editor is dirty
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if (!msg && editor.isDirty() && editor.getParam("autosave_ask_before_unload", true)) {
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msg = editor.translate("You have unsaved changes are you sure you want to navigate away?");
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}
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});
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return msg;
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}
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function isEmpty(html) {
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var forcedRootBlockName = editor.settings.forced_root_block;
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html = tinymce.trim(typeof(html) == "undefined" ? editor.getBody().innerHTML : html);
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return html === '' || new RegExp(
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'^<' + forcedRootBlockName + '[^>]*>((\u00a0| |[ \t]|<br[^>]*>)+?|)<\/' + forcedRootBlockName + '>|<br>$', 'i'
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).test(html);
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}
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if (editor.settings.autosave_restore_when_empty !== false) {
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editor.on('init', function() {
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if (hasDraft() && isEmpty()) {
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restoreDraft();
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}
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});
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editor.on('saveContent', function() {
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removeDraft();
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});
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}
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window.onbeforeunload = beforeUnloadHandler;
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this.hasDraft = hasDraft;
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this.storeDraft = storeDraft;
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this.restoreDraft = restoreDraft;
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this.removeDraft = removeDraft;
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this.isEmpty = isEmpty;
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});
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@@ -0,0 +1 @@
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tinymce.PluginManager.add("autosave",function(t){function e(t,e){var a={s:1e3,m:6e4};return t=/^(\d+)([ms]?)$/.exec(""+(t||e)),(t[2]?a[t[2]]:1)*parseInt(t,10)}function a(){var t=parseInt(m.getItem(g+"autosave.time"),10)||0;return(new Date).getTime()-t>c.autosave_retention?(n(!1),!1):!0}function n(e){m.removeItem(g+"autosave.draft"),m.removeItem(g+"autosave.time"),e!==!1&&t.fire("RemoveDraft")}function o(){v()||(m.setItem(g+"autosave.draft",t.getContent({format:"raw",no_events:!0})),m.setItem(g+"autosave.time",(new Date).getTime()),t.fire("StoreDraft"))}function r(){a()&&(t.setContent(m.getItem(g+"autosave.draft"),{format:"raw"}),t.fire("RestoreDraft"))}function s(){d||(setInterval(function(){t.removed||o()},c.autosave_interval),d=!0)}function i(){var e=this;e.disabled(!a()),t.on("StoreDraft RestoreDraft RemoveDraft",function(){e.disabled(!a())}),s()}function u(){t.undoManager.beforeChange(),r(),n(),t.undoManager.add()}function f(){var t;return tinymce.each(tinymce.editors,function(e){e.plugins.autosave&&e.plugins.autosave.storeDraft(),!t&&e.isDirty()&&e.getParam("autosave_ask_before_unload",!0)&&(t=e.translate("You have unsaved changes are you sure you want to navigate away?"))}),t}function v(e){var a=t.settings.forced_root_block;return e=tinymce.trim("undefined"==typeof e?t.getBody().innerHTML:e),""===e||new RegExp("^<"+a+"[^>]*>(( | |[ ]|<br[^>]*>)+?|)</"+a+">|<br>$","i").test(e)}var d,c=t.settings,m=tinymce.util.LocalStorage,g=t.id;c.autosave_interval=e(c.autosave_interval,"30s"),c.autosave_retention=e(c.autosave_retention,"20m"),t.addButton("restoredraft",{title:"Restore last draft",onclick:u,onPostRender:i}),t.addMenuItem("restoredraft",{text:"Restore last draft",onclick:u,onPostRender:i,context:"file"}),t.settings.autosave_restore_when_empty!==!1&&(t.on("init",function(){a()&&v()&&r()}),t.on("saveContent",function(){n()})),window.onbeforeunload=f,this.hasDraft=a,this.storeDraft=o,this.restoreDraft=r,this.removeDraft=n,this.isEmpty=v});
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