2 * Copyright 2013 Canonical Ltd.
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU Lesser General Public License as published by
6 * the Free Software Foundation; version 3.
8 * This program is distributed in the hope that it will be useful,
9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11 * GNU Lesser General Public License for more details.
13 * You should have received a copy of the GNU Lesser General Public License
14 * along with this program. If not, see <http://www.gnu.org/licenses/>.
17 * Renato Araujo Oliveira Filho <renato@canonical.com>
18 * Nick Dedekind <nick.dedekind@canonical.com>
22 import Ubuntu.Components 0.1 as Components
23 import Unity.Indicators 0.1 as Indicators
29 property bool contentActive: false
30 property string title: rootActionState.title
31 property alias emptyText: emptyLabel.text
32 property alias highlightFollowsCurrentItem : mainMenu.highlightFollowsCurrentItem
34 Indicators.UnityMenuModelStack {
36 head: contentActive ? main.menuModel : null
38 property var rootMenu: null
43 } else if (rootMenu != tail) {
44 if (tail.get(0, "type") === rootMenuType) {
45 rootMenu = menuStack.tail.submenu(0);
55 target: menuStack.tail
57 if (menuStack.rootMenu !== menuStack.tail && menuStack.tail.get(0, "type") === rootMenuType) {
58 menuStack.rootMenu = menuStack.tail.submenu(0);
59 menuStack.push(menuStack.rootMenu, 0);
63 if (menuStack.rootMenu !== menuStack.tail && menuStack.tail.get(0, "type") === rootMenuType) {
64 menuStack.rootMenu = menuStack.tail.submenu(0);
65 menuStack.push(menuStack.rootMenu, 0);
72 objectName: "mainMenu"
73 model: menuStack.rootMenu
77 bottomMargin: Qt.inputMethod.visible ? (Qt.inputMethod.keyboardRectangle.height - main.anchors.bottomMargin) : 0
79 Behavior on bottomMargin {
82 easing.type: Easing.OutQuad
85 // TODO - does ever frame.
86 onBottomMarginChanged: {
87 mainMenu.positionViewAtIndex(mainMenu.currentIndex, ListView.End)
91 // Ensure all delegates are cached in order to improve smoothness of scrolling
94 // Only allow flicking if the content doesn't fit on the page
95 interactive: contentHeight > height
97 property int selectedIndex: -1
98 property bool blockCurrentIndexChange: false
101 if (count == 0 && selectedIndex != -1) {
105 // for highlight following
106 onSelectedIndexChanged: {
107 if (currentIndex != selectedIndex) {
108 var blocked = blockCurrentIndexChange;
109 blockCurrentIndexChange = true;
111 currentIndex = selectedIndex;
113 blockCurrentIndexChange = blocked;
116 // for item addition/removal
117 onCurrentIndexChanged: {
118 if (!blockCurrentIndexChange) {
119 if (selectedIndex != -1 && selectedIndex != currentIndex) {
120 selectedIndex = currentIndex;
127 objectName: "menuItem" + index
129 visible: status == Loader.Ready
131 property int modelIndex: index
138 sourceComponent: factory.load(model)
141 if (item.hasOwnProperty("selected")) {
142 item.selected = mainMenu.selectedIndex == index;
144 if (item.hasOwnProperty("menuSelected")) {
145 item.menuSelected.connect(function() { mainMenu.selectedIndex = index; });
147 if (item.hasOwnProperty("menuDeselected")) {
148 item.menuDeselected.connect(function() { mainMenu.selectedIndex = -1; });
150 if (item.hasOwnProperty("menuData")) {
151 item.menuData = Qt.binding(function() { return model; });
153 if (item.hasOwnProperty("menuIndex")) {
154 item.menuIndex = Qt.binding(function() { return modelIndex; });
159 target: item ? item : null
160 property: "objectName"
164 // TODO: Fixes lp#1243146
165 // This is a workaround for a Qt bug. https://bugreports.qt-project.org/browse/QTBUG-34351
168 onSelectedIndexChanged: {
169 if (loader.item && loader.item.hasOwnProperty("selected")) {
170 loader.item.selected = mainMenu.selectedIndex == index;
179 rootModel: main.menuModel ? main.menuModel : null
180 menuModel: mainMenu.model ? mainMenu.model : null
185 objectName: "emptyLabel"
186 visible: mainMenu.count == 0
191 topMargin: units.gu(2)
193 wrapMode: Text.WordWrap
194 horizontalAlignment: Text.AlignHCenter
206 if (!contentActive) {
207 contentActive = true;
214 contentActive = false;
220 mainMenu.selectedIndex = -1;
221 mainMenu.positionViewAtBeginning();