mirror of
https://github.com/scratchfoundation/scratch-blocks.git
synced 2025-08-28 22:10:31 -04:00
94 lines
3.4 KiB
JavaScript
94 lines
3.4 KiB
JavaScript
/**
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* AccessibleBlockly
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*
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* Copyright 2016 Google Inc.
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* https://developers.google.com/blockly/
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*
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* Licensed under the Apache License, Version 2.0 (the 'License');
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an 'AS IS' BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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/**
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* @fileoverview Angular2 Component that details how a Blockly.Workspace is
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* rendered in AccessibleBlockly.
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* @author madeeha@google.com (Madeeha Ghori)
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*/
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blocklyApp.WorkspaceComponent = ng.core
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.Component({
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selector: 'blockly-workspace',
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template: `
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<label>
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<h3 #workspaceTitle id="blockly-workspace-title">{{'WORKSPACE'|translate}}</h3>
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</label>
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<div id="blockly-workspace-toolbar" (keydown)="onWorkspaceToolbarKeypress($event)">
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<span *ngFor="#buttonConfig of toolbarButtonConfig">
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<button (click)="buttonConfig.action()"
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class="blocklyTree blocklyWorkspaceToolbarButton">
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{{buttonConfig.text}}
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</button>
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</span>
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<button id="clear-workspace" (click)="clearWorkspace()"
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[attr.aria-disabled]="isWorkspaceEmpty()"
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class="blocklyTree blocklyWorkspaceToolbarButton">
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{{'CLEAR_WORKSPACE'|translate}}
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</button>
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</div>
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<div *ngIf="workspace">
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<ol #tree *ngFor="#block of workspace.topBlocks_; #i = index"
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tabindex="0" role="tree" class="blocklyTree blocklyWorkspaceTree"
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[attr.aria-activedescendant]="getActiveDescId(tree.id)"
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[attr.aria-labelledby]="workspaceTitle.id"
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(keydown)="onKeypress($event, tree)">
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<blockly-workspace-tree [level]=1 [block]="block" [tree]="tree" [isTopLevel]="true">
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</blockly-workspace-tree>
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</ol>
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</div>
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`,
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directives: [blocklyApp.WorkspaceTreeComponent],
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pipes: [blocklyApp.TranslatePipe]
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})
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.Class({
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constructor: [
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blocklyApp.TreeService, blocklyApp.UtilsService,
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function(_treeService, _utilsService) {
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// ACCESSIBLE_GLOBALS is a global variable defined by the containing
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// page. It should contain a key, toolbarButtonConfig, whose
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// corresponding value is an Array with two keys: 'text' and 'action'.
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// The first is the text to display on the button, and the second is the
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// function that gets run when the button is clicked.
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this.toolbarButtonConfig =
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ACCESSIBLE_GLOBALS && ACCESSIBLE_GLOBALS.toolbarButtonConfig ?
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ACCESSIBLE_GLOBALS.toolbarButtonConfig : [];
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this.workspace = blocklyApp.workspace;
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this.treeService = _treeService;
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this.utilsService = _utilsService;
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}],
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clearWorkspace: function() {
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this.workspace.clear();
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},
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getActiveDescId: function(treeId) {
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return this.treeService.getActiveDescId(treeId);
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},
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onWorkspaceToolbarKeypress: function(e) {
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this.treeService.onWorkspaceToolbarKeypress(
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e, document.activeElement.id);
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},
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onKeypress: function(e, tree) {
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this.treeService.onKeypress(e, tree);
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},
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isWorkspaceEmpty: function() {
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return this.utilsService.isWorkspaceEmpty();
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}
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});
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