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[Browse] Separate out back-arrow behavior

Browse Source 
Supports integration of changes for mobile, nasa/openmct#95
This commit is contained in:
Victor Woeltjen
2015-09-15 12:06:35 -07:00
parent 72c122e0ee
commit a3a6706869
6 changed files with 100 additions and 210 deletions
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64
platform/commonUI/browse/src/BackArrowController.js Normal file
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@ -0,0 +1,64 @@
/*****************************************************************************
* Open MCT Web, Copyright (c) 2014-2015, United States Government
* as represented by the Administrator of the National Aeronautics and Space
* Administration. All rights reserved.
*
* Open MCT Web is 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.
*
* Open MCT Web includes source code licensed under additional open source
* licenses. See the Open Source Licenses file (LICENSES.md) included with
* this source code distribution or the Licensing information page available
* at runtime from the About dialog for additional information.
*****************************************************************************/
/*global define*/
define(
function () {
'use strict';
function BackArrowController($scope) {
function navigateTo(parentObject) {
var action =
parentObject && parentObject.getCapability('action');
if (action) {
action.perform('navigate');
}
}
function navigateToParent() {
var domainObject = $scope.domainObject,
context =
domainObject && domainObject.getCapability('context');
if (context) {
navigateTo(context.getParent());
}
}
function checkRoot(domainObject) {
var context =
domainObject && domainObject.getCapability('context');
// We don't want to show the arrow if there is no context
// for this object, or if there is not a meaningful parent
// we can go back to.
$scope.atRoot = (!context) || (context.getPath().length < 3);
}
$scope.navigateToParent = navigateToParent;
$scope.$watch("domainObject", checkRoot);
}
return BackArrowController;
}
);

85
platform/commonUI/browse/src/BrowseController.js
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@ -55,7 +55,7 @@ define(
unlisten = $scope.$on('$locationChangeSuccess', function () {
// Checks path to make sure /browse/ is at front
// if so, change $route.current
// if so, change $route.current
if ($location.path().indexOf("/browse/") === 0) {
$route.current = priorRoute;
}
@ -127,78 +127,6 @@ define(
navigateTo(domainObject);
}
}
// Uses the current navigation to get the
// current ContextCapability, then the
// parent is gotten from that. If the parent
// is not the root, then user is navigated to
// parent
function navigateToParent() {
var context = navigationService.getNavigation().getCapability('context'),
parentContext,
parent,
grandparentId;
// Checks if the current object has a context
if (context) {
// Sets the parent and the parent context
// which is checked
parent = context.getParent();
parentContext = parent.getCapability('context');
if ((parent.getId() !== ROOT_ID) && parentContext) {
// Gets the grandparent id
grandparentId = parentContext.getParent().getId();
// Navigates to the parent
navigateTo(parent);
// Checks after navigation if the user is located at the
// root (grandparent of original selected object, after
// navigation, user is at parent of original object and
// child of grandparent)
if (grandparentId && grandparentId !== ROOT_ID) {
$scope.atRoot = false;
return;
}
// Set at root if no grandparent exists and
// if grandparent is ROOT, after navigation
$scope.atRoot = true;
}
}
}
function checkRoot() {
var context = navigationService.getNavigation().getCapability('context'),
parentContext,
parent,
grandparent;
// Checks if the current object has a context
if (context) {
parent = context.getParent();
parentContext = parent.getCapability('context');
if ((parent.getId() !== ROOT_ID) && parentContext) {
grandparent = parentContext.getParent();
// Checks if the grandparent exists
// if it does not exist (for example in search),
// than do not show the back button
if (grandparent) {
$scope.atRoot = false;
return;
}
}
}
// In any other situation where the context or parent
// context does not exist or the user is at ROOT, than
// hide the back arrow
$scope.atRoot = true;
}
// Load the root object, put it in the scope.
// Also, load its immediate children, and (possibly)
@ -213,13 +141,13 @@ define(
$scope.treeModel = {
selectedObject: navigationService.getNavigation()
};
// SlideMenu boolean used to hide and show
// tree menu
$scope.treeSlide = function () {
$scope.treeClass = !$scope.treeClass;
};
// Listen for changes in navigation state.
navigationService.addListener(setNavigation);
@ -230,17 +158,12 @@ define(
$scope.$on("$destroy", function () {
navigationService.removeListener(setNavigation);
});
// If the user has selected an object (and is portrait
// on a phone), then hide the tree menu
$scope.$on("select-obj", function () {
$scope.treeSlide();
});
$scope.backArrow = navigateToParent;
$scope.checkRoot = checkRoot;
}
return BrowseController;