| // Copyright (C) 2016 The Android Open Source Project |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| (function() { |
| 'use strict'; |
| |
| Polymer({ |
| is: 'gr-diff-comment', |
| |
| /** |
| * Fired when the height of the comment changes. |
| * |
| * @event height-change |
| */ |
| |
| /** |
| * Fired when the Reply action is triggered. |
| * |
| * @event reply |
| */ |
| |
| /** |
| * Fired when the Done action is triggered. |
| * |
| * @event done |
| */ |
| |
| /** |
| * Fired when this comment is discarded. |
| * |
| * @event discard |
| */ |
| |
| properties: { |
| changeNum: String, |
| comment: { |
| type: Object, |
| notify: true, |
| }, |
| disabled: { |
| type: Boolean, |
| value: false, |
| reflectToAttribute: true, |
| }, |
| draft: { |
| type: Boolean, |
| value: false, |
| observer: '_draftChanged', |
| }, |
| editing: { |
| type: Boolean, |
| value: false, |
| observer: '_editingChanged', |
| }, |
| patchNum: String, |
| showActions: Boolean, |
| projectConfig: Object, |
| |
| _xhrPromise: Object, // Used for testing. |
| _editDraft: String, |
| }, |
| |
| ready: function() { |
| this._editDraft = (this.comment && this.comment.message) || ''; |
| this.editing = this._editDraft.length == 0; |
| }, |
| |
| attached: function() { |
| this._heightChanged(); |
| }, |
| |
| save: function() { |
| this.comment.message = this._editDraft; |
| this.disabled = true; |
| var endpoint = this._restEndpoint(this.comment.id); |
| this._send('PUT', endpoint).then(function(req) { |
| this.disabled = false; |
| var comment = req.response; |
| comment.__draft = true; |
| // Maintain the ephemeral draft ID for identification by other |
| // elements. |
| if (this.comment.__draftID) { |
| comment.__draftID = this.comment.__draftID; |
| } |
| this.comment = comment; |
| this.editing = false; |
| }.bind(this)).catch(function(err) { |
| alert('Your draft couldn’t be saved. Check the console and contact ' + |
| 'the PolyGerrit team for assistance.'); |
| this.disabled = false; |
| }.bind(this)); |
| }, |
| |
| _heightChanged: function() { |
| this.async(function() { |
| this.fire('height-change', {height: this.offsetHeight}, |
| {bubbles: false}); |
| }.bind(this)); |
| }, |
| |
| _draftChanged: function(draft) { |
| this.$.container.classList.toggle('draft', draft); |
| }, |
| |
| _editingChanged: function(editing) { |
| this.$.container.classList.toggle('editing', editing); |
| if (editing) { |
| var textarea = this.$.editTextarea.textarea; |
| // Put the cursor at the end always. |
| textarea.selectionStart = textarea.value.length; |
| textarea.selectionEnd = textarea.selectionStart; |
| this.async(function() { |
| textarea.focus(); |
| }.bind(this)); |
| } |
| if (this.comment && this.comment.id) { |
| this.$$('.cancel').hidden = !editing; |
| } |
| this._heightChanged(); |
| }, |
| |
| _computeLinkToComment: function(comment) { |
| return '#' + comment.line; |
| }, |
| |
| _computeSaveDisabled: function(draft) { |
| return draft == null || draft.trim() == ''; |
| }, |
| |
| _handleTextareaKeyup: function(e) { |
| // TODO(andybons): This isn't always true, but I can't currently think |
| // of a better metric. |
| this._heightChanged(); |
| }, |
| |
| _handleTextareaKeydown: function(e) { |
| if (e.keyCode == 27) { // 'esc' |
| this._handleCancel(e); |
| } |
| }, |
| |
| _handleLinkTap: function(e) { |
| e.preventDefault(); |
| var hash = this._computeLinkToComment(this.comment); |
| // Don't add the hash to the window history if it's already there. |
| // Otherwise you mess up expected back button behavior. |
| if (window.location.hash == hash) { return; } |
| // Change the URL but don’t trigger a nav event. Otherwise it will |
| // reload the page. |
| page.show(window.location.pathname + hash, null, false); |
| }, |
| |
| _handleReply: function(e) { |
| this._preventDefaultAndBlur(e); |
| this.fire('reply', {comment: this.comment}, {bubbles: false}); |
| }, |
| |
| _handleQuote: function(e) { |
| this._preventDefaultAndBlur(e); |
| this.fire('reply', {comment: this.comment, quote: true}, |
| {bubbles: false}); |
| }, |
| |
| _handleDone: function(e) { |
| this._preventDefaultAndBlur(e); |
| this.fire('done', {comment: this.comment}, {bubbles: false}); |
| }, |
| |
| _handleEdit: function(e) { |
| this._preventDefaultAndBlur(e); |
| this._editDraft = this.comment.message; |
| this.editing = true; |
| }, |
| |
| _handleSave: function(e) { |
| this._preventDefaultAndBlur(e); |
| this.save(); |
| }, |
| |
| _handleCancel: function(e) { |
| this._preventDefaultAndBlur(e); |
| if (this.comment.message == null || this.comment.message.length == 0) { |
| this.fire('discard', null, {bubbles: false}); |
| return; |
| } |
| this._editDraft = this.comment.message; |
| this.editing = false; |
| }, |
| |
| _handleDiscard: function(e) { |
| this._preventDefaultAndBlur(e); |
| if (!this.comment.__draft) { |
| throw Error('Cannot discard a non-draft comment.'); |
| } |
| this.disabled = true; |
| var commentID = this.comment.id; |
| if (!commentID) { |
| this.fire('discard', null, {bubbles: false}); |
| return; |
| } |
| this._send('DELETE', this._restEndpoint(commentID)).then(function(req) { |
| this.fire('discard', null, {bubbles: false}); |
| }.bind(this)).catch(function(err) { |
| alert('Your draft couldn’t be deleted. Check the console and ' + |
| 'contact the PolyGerrit team for assistance.'); |
| this.disabled = false; |
| }.bind(this)); |
| }, |
| |
| _preventDefaultAndBlur: function(e) { |
| e.preventDefault(); |
| Polymer.dom(e).rootTarget.blur(); |
| }, |
| |
| _send: function(method, url) { |
| var xhr = document.createElement('gr-request'); |
| var opts = { |
| method: method, |
| url: url, |
| }; |
| if (method == 'PUT' || method == 'POST') { |
| opts.body = this.comment; |
| } |
| this._xhrPromise = xhr.send(opts); |
| return this._xhrPromise; |
| }, |
| |
| _restEndpoint: function(id) { |
| var path = '/changes/' + this.changeNum + '/revisions/' + |
| this.patchNum + '/drafts'; |
| if (id) { |
| path += '/' + id; |
| } |
| return path; |
| }, |
| }); |
| })(); |