| /* |
| * 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. |
| */ |
| |
| /** |
| * Base class for visualization |
| */ |
| export default class Visualization { |
| constructor(targetEl, config) { |
| this.targetEl = targetEl; |
| this.config = config; |
| this._dirty = false; |
| this._active = false; |
| this._emitter; |
| }; |
| |
| /** |
| * get transformation |
| */ |
| getTransformation() { |
| // override this |
| }; |
| |
| /** |
| * Method will be invoked when data or configuration changed |
| */ |
| render(tableData) { |
| // override this |
| }; |
| |
| /** |
| * Refresh visualization. |
| */ |
| refresh() { |
| // override this |
| }; |
| |
| /** |
| * method will be invoked when visualization need to be destroyed. |
| * Don't need to destroy this.targetEl. |
| */ |
| destroy() { |
| // override this |
| }; |
| |
| /** |
| * return { |
| * template : angular template string or url (url should end with .html), |
| * scope : an object to bind to template scope |
| * } |
| */ |
| getSetting() { |
| // override this |
| }; |
| |
| /** |
| * Activate. invoked when visualization is selected |
| */ |
| activate() { |
| if (!this._active || this._dirty) { |
| this.refresh(); |
| this._dirty = false; |
| } |
| this._active = true; |
| }; |
| |
| /** |
| * Activate. invoked when visualization is de selected |
| */ |
| deactivate() { |
| this._active = false; |
| }; |
| |
| /** |
| * Is active |
| */ |
| isActive() { |
| return this._active; |
| }; |
| |
| /** |
| * When window or paragraph is resized |
| */ |
| resize() { |
| if (this.isActive()) { |
| this.refresh(); |
| } else { |
| this._dirty = true; |
| } |
| }; |
| |
| /** |
| * Set new config |
| */ |
| setConfig(config) { |
| this.config = config; |
| if (this.isActive()) { |
| this.refresh(); |
| } else { |
| this._dirty = true; |
| } |
| }; |
| |
| /** |
| * Emit config. config will sent to server and saved. |
| */ |
| emitConfig(config) { |
| this._emitter(config); |
| }; |
| |
| /** |
| * render setting |
| */ |
| renderSetting(targetEl) { |
| var setting = this.getSetting(); |
| if (!setting) { |
| return; |
| } |
| |
| // already readered |
| if (this._scope) { |
| var self = this; |
| this._scope.$apply(function() { |
| for (var k in setting.scope) { |
| self._scope[k] = setting.scope[k]; |
| } |
| |
| for (var k in self._prevSettingScope) { |
| if (!setting.scope[k]) { |
| self._scope[k] = setting.scope[k]; |
| } |
| } |
| }); |
| return; |
| } else { |
| this._prevSettingScope = setting.scope; |
| } |
| |
| var scope = this._createNewScope(); |
| for (var k in setting.scope) { |
| scope[k] = setting.scope[k]; |
| } |
| var template = setting.template; |
| |
| if (template.split('\n').length === 1 && |
| template.endsWith('.html')) { // template is url |
| this._templateRequest(template).then(t => |
| _renderSetting(this, targetEl, t, scope) |
| ); |
| } else { |
| _renderSetting(this, targetEl, template, scope); |
| } |
| }; |
| } |
| |
| function _renderSetting(instance, targetEl, template, scope) { |
| instance._targetEl = targetEl; |
| targetEl.html(template); |
| instance._compile(targetEl.contents())(scope); |
| instance._scope = scope; |
| }; |