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/**
* AccessibleBlockly
*
* Copyright 2016 Google Inc.
* https://developers.google.com/blockly/
*
* 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.
*/
/**
* @fileoverview Angular2 Component that details how a Blockly.Workspace is
* rendered in AccessibleBlockly.
* @author madeeha@google.com (Madeeha Ghori)
*/
blocklyApp.WorkspaceComponent = ng.core
.Component({
selector: 'blockly-workspace',
template: `
<label>
<h3 #workspaceTitle id="blockly-workspace-title">{{'WORKSPACE'|translate}}</h3>
</label>
<div id="blockly-workspace-toolbar" (keydown)="onWorkspaceToolbarKeypress($event)">
<span *ngFor="#buttonConfig of toolbarButtonConfig">
<button (click)="buttonConfig.action()"
class="blocklyTree blocklyWorkspaceToolbarButton">
{{buttonConfig.text}}
</button>
</span>
<button id="clear-workspace" (click)="clearWorkspace()"
[attr.aria-disabled]="isWorkspaceEmpty()"
class="blocklyTree blocklyWorkspaceToolbarButton">
{{'CLEAR_WORKSPACE'|translate}}
</button>
</div>
<div *ngIf="workspace">
<ol #tree *ngFor="#block of workspace.topBlocks_; #i = index"
tabindex="0" role="tree" class="blocklyTree blocklyWorkspaceTree"
[attr.aria-activedescendant]="getActiveDescId(tree.id)"
[attr.aria-labelledby]="workspaceTitle.id"
(keydown)="onKeypress($event, tree)">
<blockly-workspace-tree [level]=1 [block]="block" [tree]="tree" [isTopLevel]="true">
</blockly-workspace-tree>
</ol>
</div>
`,
directives: [blocklyApp.WorkspaceTreeComponent],
pipes: [blocklyApp.TranslatePipe]
})
.Class({
constructor: [
blocklyApp.TreeService, blocklyApp.UtilsService,
function(_treeService, _utilsService) {
// ACCESSIBLE_GLOBALS is a global variable defined by the containing
// page. It should contain a key, toolbarButtonConfig, whose
// corresponding value is an Array with two keys: 'text' and 'action'.
// The first is the text to display on the button, and the second is the
// function that gets run when the button is clicked.
this.toolbarButtonConfig =
ACCESSIBLE_GLOBALS && ACCESSIBLE_GLOBALS.toolbarButtonConfig ?
ACCESSIBLE_GLOBALS.toolbarButtonConfig : [];
this.workspace = blocklyApp.workspace;
this.treeService = _treeService;
this.utilsService = _utilsService;
}],
clearWorkspace: function() {
this.workspace.clear();
},
getActiveDescId: function(treeId) {
return this.treeService.getActiveDescId(treeId);
},
onWorkspaceToolbarKeypress: function(e) {
this.treeService.onWorkspaceToolbarKeypress(
e, document.activeElement.id);
},
onKeypress: function(e, tree) {
this.treeService.onKeypress(e, tree);
},
isWorkspaceEmpty: function() {
return this.utilsService.isWorkspaceEmpty();
}
});
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