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/**
* AccessibleBlockly
*
* Copyright 2017 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 Service for the variable modal.
*
* @author corydiers@google.com (Cory Diers)
*/
goog.provide('blocklyApp.VariableModalService');
blocklyApp.VariableModalService = ng.core.Class({
constructor: [
function() {
this.modalIsShown = false;
}
],
// Registers a hook to be called before the add modal is shown.
registerPreAddShowHook: function(preShowHook) {
this.preAddShowHook = function() {
preShowHook();
};
},
// Registers a hook to be called before the rename modal is shown.
registerPreRenameShowHook: function(preShowHook) {
this.preRenameShowHook = function(oldName) {
preShowHook(oldName);
};
},
// Registers a hook to be called before the remove modal is shown.
registerPreRemoveShowHook: function(preShowHook) {
this.preRemoveShowHook = function(oldName, count) {
preShowHook(oldName, count);
};
},
// Returns true if the variable modal is shown.
isModalShown: function() {
return this.modalIsShown;
},
// Show the add variable modal.
showAddModal_: function() {
this.preAddShowHook();
this.modalIsShown = true;
},
// Show the rename variable modal.
showRenameModal_: function(oldName) {
this.preRenameShowHook(oldName);
this.modalIsShown = true;
},
// Show the remove variable modal.
showRemoveModal_: function(oldName) {
var count = this.getNumVariables(oldName);
this.modalIsShown = true;
if (count > 1) {
this.preRemoveShowHook(oldName, count);
} else {
var variable = blocklyApp.workspace.getVariable(oldName);
blocklyApp.workspace.deleteVariableInternal_(variable);
// Allow the execution loop to finish before "closing" the modal. While
// the modal never opens, its being "open" should prevent other keypresses
// anyway.
var that = this;
setTimeout(function() {
that.modalIsShown = false;
});
}
},
getNumVariables: function(oldName) {
return blocklyApp.workspace.getVariableUses(oldName).length;
},
// Hide the variable modal.
hideModal: function() {
this.modalIsShown = false;
}
});