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gaia/apps/email/js/cards/settings_signature.js

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+'use strict';
+define(function(require) {
+var backFormNode = require('tmpl!./sig/save_signature.html'),
+    cards = require('cards'),
+    trailingRegExp = /\s+$/;
+
+return [
+  require('./base_card')(require('template!./settings_signature.html')),
+  require('./editor_mixins'),
+
+  {
+    onArgs: function(args) {
+      this.account = args.account;
+      this.identity = this.account.identities[0];
+
+      this._bindEditor(this.signatureNode);
+
+      this.populateEditor(this.identity.signature || '');
+    },
+
+    // Removes any trailing whitespace, since it is just noise, and it also sets
+    // up the wrong expectation when the cursor is auto-focused at end of the
+    // content -- it will sometimes show up on the far right of the text screen
+    // because of phantom \n (that are <br>s in the HTML).
+    getTextFromEditor: function() {
+      var text = this.fromEditor().replace(trailingRegExp, '');
+      return text;
+    },
+
+    goBack: function() {
+      cards.removeCardAndSuccessors(this, 'animate', 1);
+    },
+
+    onBack: function() {
+      var signature = this.getTextFromEditor();
+      if (signature === this.identity.signature) {
+        this.goBack();
+        return;
+      }
+      var menu = backFormNode.cloneNode(true);
+      this._savePromptMenu = menu;
+      cards.setStatusColor(menu);
+      document.body.appendChild(menu);
+
+      var formSubmit = (function(evt) {
+        cards.setStatusColor();
+        document.body.removeChild(menu);
+        this._savePromptMenu = null;
+
+        switch (evt.explicitOriginalTarget.id) {
+          case 'sig-save':
+            this.identity.modifyIdentity({ signature: signature });
+            this.goBack();
+            break;
+          case 'sig-discard':
+            this.goBack();
+            break;
+          case 'sig-cancel':
+            break;
+        }
+        return false;
+      }).bind(this);
+      menu.addEventListener('submit', formSubmit);
+    },
+
+    onClickDone: function() {
+      var signature = this.getTextFromEditor();
+
+      // Only push the signature if it was changed
+      if (signature !== this.identity.signature) {
+        this.identity.modifyIdentity({ signature: signature });
+      }
+
+      this.onBack();
+    },
+
+    onCardVisible: function() {
+      // Need to wait until the card is shown and animation is done before
+      // focusing input in the editable area.
+
+      // Clear any existing selections
+      var selection = window.getSelection();
+      if (selection.rangeCount > 0) {
+        selection.removeAllRanges();
+      }
+
+      // If there is content, set the cursor at the
+      // end of it.
+      var node = this.signatureNode.lastChild;
+      if (node) {
+        var range = document.createRange();
+
+        range.setStartAfter(node);
+        range.setEndAfter(node);
+        selection.addRange(range);
+      }
+
+      // The selection sets up where the cursor will show, this ties it all
+      // together and brings up the keyboard.
+      this.signatureNode.focus();
+    },
+
+    die: function() {
+    }
+  }
+];
+});