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node_modules/node-blockly/blockly/accessible/block-options-modal.component.js

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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 represents the block options modal.
+ *
+ * @author sll@google.com (Sean Lip)
+ */
+
+goog.provide('blocklyApp.BlockOptionsModalComponent');
+
+goog.require('blocklyApp.AudioService');
+goog.require('blocklyApp.BlockOptionsModalService');
+goog.require('blocklyApp.KeyboardInputService');
+goog.require('blocklyApp.TranslatePipe');
+
+goog.require('Blockly.CommonModal');
+
+
+blocklyApp.BlockOptionsModalComponent = ng.core.Component({
+  selector: 'blockly-block-options-modal',
+  template: `
+    <div *ngIf="modalIsVisible" class="blocklyModalCurtain"
+         (click)="dismissModal()">
+      <!-- $event.stopPropagation() prevents the modal from closing when its
+      interior is clicked. -->
+      <div id="blockOptionsModal" class="blocklyModal" role="alertdialog"
+           (click)="$event.stopPropagation()" tabindex="-1"
+           aria-labelledby="blockOptionsModalHeading">
+        <h3 id="blockOptionsModalHeading">{{'BLOCK_OPTIONS'|translate}}</h3>
+        <div role="document">
+          <div class="blocklyModalButtonContainer"
+               *ngFor="#buttonInfo of actionButtonsInfo; #buttonIndex=index">
+            <button [id]="getOptionId(buttonIndex)"
+                    (click)="buttonInfo.action(); hideModal();"
+                    [ngClass]="{activeButton: activeButtonIndex == buttonIndex}">
+              {{buttonInfo.translationIdForText|translate}}
+            </button>
+          </div>
+        </div>
+
+        <div class="blocklyModalButtonContainer">
+          <button [id]="getCancelOptionId()"
+                  (click)="dismissModal()"
+                  [ngClass]="{activeButton: activeButtonIndex == actionButtonsInfo.length}">
+            {{'CANCEL'|translate}}
+          </button>
+        </div>
+      </div>
+    </div>
+  `,
+  pipes: [blocklyApp.TranslatePipe]
+})
+.Class({
+  constructor: [
+    blocklyApp.BlockOptionsModalService, blocklyApp.KeyboardInputService,
+    blocklyApp.AudioService,
+    function(blockOptionsModalService_, keyboardInputService_, audioService_) {
+      this.blockOptionsModalService = blockOptionsModalService_;
+      this.keyboardInputService = keyboardInputService_;
+      this.audioService = audioService_;
+
+      this.modalIsVisible = false;
+      this.actionButtonsInfo = [];
+      this.activeButtonIndex = -1;
+      this.onDismissCallback = null;
+
+      var that = this;
+      this.blockOptionsModalService.registerPreShowHook(
+        function(newActionButtonsInfo, onDismissCallback) {
+          that.modalIsVisible = true;
+          that.actionButtonsInfo = newActionButtonsInfo;
+          that.activeActionButtonIndex = -1;
+          that.onDismissCallback = onDismissCallback;
+
+          Blockly.CommonModal.setupKeyboardOverrides(that);
+          that.keyboardInputService.addOverride('13', function(evt) {
+              evt.preventDefault();
+              evt.stopPropagation();
+
+              if (that.activeButtonIndex == -1) {
+                return;
+              }
+
+              var button = document.getElementById(
+                  that.getOptionId(that.activeButtonIndex));
+              if (that.activeButtonIndex <
+                  that.actionButtonsInfo.length) {
+                that.actionButtonsInfo[that.activeButtonIndex].action();
+              } else {
+                that.dismissModal();
+              }
+
+              that.hideModal();
+            });
+
+          setTimeout(function() {
+            document.getElementById('blockOptionsModal').focus();
+          }, 150);
+        }
+      );
+    }
+  ],
+  focusOnOption: function(index) {
+    var button = document.getElementById(this.getOptionId(index));
+    button.focus();
+  },
+  // Counts the number of interactive elements for the modal.
+  numInteractiveElements: function() {
+    return this.actionButtonsInfo.length + 1;
+  },
+  // Returns the ID for the corresponding option button.
+  getOptionId: function(index) {
+    return 'block-options-modal-option-' + index;
+  },
+  // Returns the ID for the "cancel" option button.
+  getCancelOptionId: function() {
+    return this.getOptionId(this.actionButtonsInfo.length);
+  },
+  dismissModal: function() {
+    this.onDismissCallback();
+    this.hideModal();
+  },
+  // Closes the modal.
+  hideModal: function() {
+    this.modalIsVisible = false;
+    this.keyboardInputService.clearOverride();
+    this.blockOptionsModalService.hideModal();
+  }
+});