增加 simditor 的自动板寸

static/src/js/lib/simditor/simditor-autosave.js

@@ -0,0 +1,138 @@
+(function (root, factory) {
+  if (typeof define === 'function' && define.amd) {
+    // AMD. Register as an anonymous module unless amdModuleId is set
+    define('simditor-autosave', ["jquery","simple-module","simditor"], function (a0,b1,c2) {
+      return (root['SimditorAutosave'] = factory(a0,b1,c2));
+    });
+  } else if (typeof exports === 'object') {
+    // Node. Does not work with strict CommonJS, but
+    // only CommonJS-like environments that support module.exports,
+    // like Node.
+    module.exports = factory(require("jquery"),require("simple-module"),require("simditor"));
+  } else {
+    root['SimditorAutosave'] = factory(jQuery,SimpleModule,Simditor);
+  }
+}(this, function ($, SimpleModule, Simditor) {
+
+var SimditorAutosave,
+  extend = function(child, parent) { for (var key in parent) { if (hasProp.call(parent, key)) child[key] = parent[key]; } function ctor() { this.constructor = child; } ctor.prototype = parent.prototype; child.prototype = new ctor(); child.__super__ = parent.prototype; return child; },
+  hasProp = {}.hasOwnProperty;
+
+SimditorAutosave = (function(superClass) {
+  extend(SimditorAutosave, superClass);
+
+  function SimditorAutosave() {
+    return SimditorAutosave.__super__.constructor.apply(this, arguments);
+  }
+
+  SimditorAutosave.pluginName = 'Autosave';
+
+  SimditorAutosave.prototype.opts = {
+    autosave: true,
+    autosavePath: null
+  };
+
+  SimditorAutosave.prototype._init = function() {
+    var currentVal, link, name, val;
+    this.editor = this._module;
+    if (!this.opts.autosave) {
+      return;
+    }
+    this.name = typeof this.opts.autosave === 'string' ? this.opts.autosave : 'simditor';
+    if (this.opts.autosavePath) {
+      this.path = this.opts.autosavePath;
+    } else {
+      link = $("<a/>", {
+        href: location.href
+      });
+      name = this.editor.textarea.data('autosave') || this.name;
+      this.path = "/" + (link[0].pathname.replace(/\/$/g, "").replace(/^\//g, "")) + "/autosave/" + name + "/";
+    }
+    if (!this.path) {
+      return;
+    }
+    this.editor.on("valuechanged", (function(_this) {
+      return function() {
+        return _this.storage.set(_this.path, _this.editor.getValue());
+      };
+    })(this));
+    this.editor.el.closest('form').on('ajax:success.simditor-' + this.editor.id, (function(_this) {
+      return function(e) {
+        return _this.storage.remove(_this.path);
+      };
+    })(this));
+    val = this.storage.get(this.path);
+    if (!val) {
+      return;
+    }
+    currentVal = this.editor.textarea.val();
+    if (val === currentVal) {
+      return;
+    }
+    if (this.editor.textarea.is('[data-autosave-confirm]')) {
+      if (confirm(this.editor.textarea.data('autosave-confirm') || 'Are you sure to restore unsaved changes?')) {
+        return this.editor.setValue(val);
+      } else {
+        return this.storage.remove(this.path);
+      }
+    } else {
+      return this.editor.setValue(val);
+    }
+  };
+
+  SimditorAutosave.prototype.storage = {
+    supported: function() {
+      var error;
+      try {
+        localStorage.setItem('_storageSupported', 'yes');
+        localStorage.removeItem('_storageSupported');
+        return true;
+      } catch (_error) {
+        error = _error;
+        return false;
+      }
+    },
+    set: function(key, val, session) {
+      var storage;
+      if (session == null) {
+        session = false;
+      }
+      if (!this.supported()) {
+        return;
+      }
+      storage = session ? sessionStorage : localStorage;
+      return storage.setItem(key, val);
+    },
+    get: function(key, session) {
+      var storage;
+      if (session == null) {
+        session = false;
+      }
+      if (!this.supported()) {
+        return;
+      }
+      storage = session ? sessionStorage : localStorage;
+      return storage[key];
+    },
+    remove: function(key, session) {
+      var storage;
+      if (session == null) {
+        session = false;
+      }
+      if (!this.supported()) {
+        return;
+      }
+      storage = session ? sessionStorage : localStorage;
+      return storage.removeItem(key);
+    }
+  };
+
+  return SimditorAutosave;
+
+})(SimpleModule);
+
+Simditor.connect(SimditorAutosave);
+
+return SimditorAutosave;
+
+}));