git.iko.soy/unity8
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unity8/Components/PageHeader.qml
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1/*
2 * Copyright (C) 2013 Canonical, Ltd.
3 *
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; version 3.
7 *
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 General Public License for more details.
12 *
13 * You should have received a copy of the GNU General Public License
14 * along with this program. If not, see <http://www.gnu.org/licenses/>.
15 */
17import QtQuick 2.0
18import Ubuntu.Components 0.1
19import Ubuntu.Components.Popups 0.1
20import Ubuntu.Components.ListItems 0.1 as ListItem
22Item {
23 /*!
24 \preliminary
25 The text that is shown inside the Page Header
26 \qmlproperty string text
27 */
28 property alias text: label.text
30 property bool searchEntryEnabled: false
31 property alias searchQuery: searchField.text
32 property ListModel searchHistory: SearchHistoryModel {}
34 height: units.gu(8.5)
35 implicitHeight: units.gu(8.5)
37 function triggerSearch() {
38 if (searchEntryEnabled) searchField.forceActiveFocus()
39 }
41 function resetSearch() {
42 if (!searchHistory) return;
44 searchHistory.addQuery(searchField.text);
45 searchField.text = "";
46 searchField.focus = false;
47 }
49 Connections {
50 target: greeter
51 onShownChanged: if (shown) resetSearch()
52 }
54 Flickable {
55 id: header
56 anchors {
57 left: parent.left
58 right: parent.right
59 top: parent.top
60 }
61 height: units.gu(6.5)
63 interactive: false
64 contentHeight: headerContainer.height
65 clip: true
67 contentY: searchField.activeFocus || searchField.text != "" ? searchContainer.y : headerContainer.y
69 Behavior on contentY { NumberAnimation { duration: 200; easing.type: Easing.OutQuad } }
71 // FIXME this could potentially be simplified to avoid all the containers
72 Item {
73 id: headerContainer
75 width: parent.width
76 height: childrenRect.height
78 Item {
79 id: textContainer
81 width: header.width
82 height: header.height
84 Label {
85 id: label
86 anchors {
87 left: parent.left
88 leftMargin: units.gu(2)
89 right: parent.right
90 verticalCenter: parent.verticalCenter
91 }
93 color: "#f3f3e7"
94 opacity: 0.8
95 font.family: "Ubuntu"
96 font.weight: Font.Light
97 fontSize: "x-large"
98 elide: Text.ElideRight
99 style: Text.Raised
100 styleColor: "black"
101 }
102 }
104 Item {
105 id: searchContainer
106 objectName: "searchContainer"
108 visible: searchEntryEnabled
110 property bool narrowMode: parent.width < label.contentWidth + units.gu(50)
112 property bool active: searchField.text != "" || searchField.activeFocus
113 property var popover: null
115 anchors.right: textContainer.right
116 height: header.height
118 state:
119 if (active && narrowMode) "narrowActive"
120 else if (!active && narrowMode) "narrowInactive"
121 else if (active && !narrowMode) "active"
122 else if (!active && !narrowMode) "inactive"
124 function openPopover() {
125 if (searchHistory.count > 0) {
126 searchContainer.popover = PopupUtils.open(popoverComponent, searchField,
127 {
128 "pointerTarget": pointerPositioner,
129 "contentWidth": searchField.width,
130 "edgeMargins": units.gu(1)
131 }
132 )
133 }
134 }
136 function closePopover() {
137 if (searchContainer.popover) PopupUtils.close(searchContainer.popover)
138 }
140 onActiveFocusChanged: if (!activeFocus) { searchHistory.addQuery(searchField.text) }
142 TextField {
143 id: searchField
145 anchors.fill: parent
146 anchors.margins: units.gu(1)
148 hasClearButton: false
150 primaryItem: Button {
151 enabled: searchField.text != ""
152 ItemStyle.class: "transparent-button"
153 onClicked: {
154 if (searchField.text != "") {
155 searchHistory.addQuery(searchField.text)
156 searchField.text = ""
157 }
158 }
159 height: parent.height
160 width: height
162 Image {
163 id: primaryImage
164 anchors {
165 verticalCenter: parent.verticalCenter
166 left: parent.left
167 leftMargin: units.gu(0.5)
168 }
169 width: units.gu(3)
170 height: units.gu(3)
171 }
173 Item {
174 id: pointerPositioner
175 anchors.left: parent.right
176 anchors.leftMargin: units.gu(0.5)
177 anchors.top: parent.bottom
178 }
179 }
181 onTextChanged: {
182 if (text != "") searchContainer.closePopover()
183 else if (text == "" && activeFocus) searchContainer.openPopover()
184 }
186 onActiveFocusChanged: {
187 if (!activeFocus) searchContainer.closePopover()
188 }
189 }
191 states: [
192 State {
193 name: "wide"
194 AnchorChanges { target: textContainer; anchors.top: headerContainer.top }
195 AnchorChanges { target: searchContainer; anchors.left: undefined; anchors.top: textContainer.top }
196 },
197 State {
198 name: "narrow"
199 PropertyChanges { target: searchField; highlighted: true }
200 AnchorChanges { target: textContainer; anchors.top: searchContainer.bottom }
201 AnchorChanges { target: searchContainer; anchors.left: headerContainer.left; anchors.top: headerContainer.top }
202 },
203 State {
204 name: "active"
205 extend: "wide"
206 PropertyChanges { target: searchContainer; width: units.gu(40) }
207 PropertyChanges { target: primaryImage; source: searchField.text ? "../Dash/graphics/icon_clear.png" : "../Dash/graphics/icon_search_active.png" }
208 PropertyChanges { target: searchField; highlighted: true }
209 },
210 State {
211 name: "inactive"
212 extend: "wide"
213 PropertyChanges { target: searchContainer; width: units.gu(25) }
214 PropertyChanges { target: primaryImage; source: "../Dash/graphics/icon_search_inactive.png" }
215 PropertyChanges { target: searchField; highlighted: false }
216 },
217 State {
218 name: "narrowActive"
219 extend: "narrow"
220 PropertyChanges { target: header; contentY: 0 }
221 PropertyChanges { target: primaryImage; source: searchField.text ? "../Dash/graphics/icon_clear.png" : "../Dash/graphics/icon_search_active.png" }
222 },
223 State {
224 name: "narrowInactive"
225 extend: "narrow"
226 PropertyChanges { target: header; contentY: header.height }
227 PropertyChanges { target: primaryImage; source: searchField.text ? "../Dash/graphics/icon_clear.png" : "../Dash/graphics/icon_search_active.png" }
228 }
229 ]
231 transitions: [
232 Transition {
233 to: "active"
234 SequentialAnimation {
235 ParallelAnimation {
236 NumberAnimation { targets: [searchContainer, searchField]; property: "width"; duration: 200; easing.type: Easing.InOutQuad }
237 PropertyAction { target: primaryImage; property: "source" }
238 AnchorAnimation { targets: [searchContainer, textContainer]; duration: 200; easing.type: Easing.InOutQuad }
239 }
240 ScriptAction { script: searchContainer.openPopover() }
241 }
242 },
243 Transition {
244 to: "inactive"
245 ScriptAction { script: searchContainer.closePopover() }
246 NumberAnimation { targets: [searchContainer, searchField] ; property: "width"; duration: 200; easing.type: Easing.InOutQuad }
247 AnchorAnimation { targets: [searchContainer, textContainer]; duration: 200; easing.type: Easing.InOutQuad }
248 },
249 Transition {
250 to: "narrowActive"
251 SequentialAnimation {
252 ParallelAnimation {
253 NumberAnimation { targets: [searchContainer, searchField] ; property: "width"; duration: 200; easing.type: Easing.OutQuad }
254 AnchorAnimation { targets: [searchContainer, textContainer]; duration: 200; easing.type: Easing.InOutQuad }
255 }
256 ScriptAction { script: searchContainer.openPopover() }
257 }
258 },
259 Transition {
260 to: "narrowInactive"
261 ScriptAction { script: searchContainer.closePopover() }
262 NumberAnimation { targets: [searchContainer, searchField] ; property: "width"; duration: 200; easing.type: Easing.OutQuad }
263 AnchorAnimation { targets: [searchContainer, textContainer]; duration: 200; easing.type: Easing.InOutQuad }
264 }
265 ]
267 Component {
268 id: popoverComponent
269 Popover {
270 id: popover
272 // FIXME: this should go into the first item below, but enable: false
273 // prevents mouse events propagation
274 Button {
275 ItemStyle.class: "transparent-button"
276 anchors {
277 top: parent.top
278 right: parent.right
279 }
280 height: units.gu(6)
281 width: height
283 onClicked: searchContainer.closePopover()
285 Image {
286 anchors.centerIn: parent
287 width: units.gu(2)
288 height: units.gu(2)
289 source: "../Dash/graphics/icon_listview_clear.png"
290 }
291 }
293 Column {
294 anchors {
295 top: parent.top
296 left: parent.left
297 right: parent.right
298 }
300 ListItem.Standard { enabled: false; text: i18n.tr("Recent searches") }
302 Repeater {
303 id: recentSearches
304 model: searchHistory
306 delegate: ListItem.Standard {
307 showDivider: index < recentSearches.count - 1
308 text: query
309 onClicked: {
310 searchHistory.addQuery(text)
311 searchField.text = text
312 }
313 }
314 }
315 }
316 }
317 }
319 InverseMouseArea {
320 enabled: searchField.activeFocus
322 anchors {
323 top: parent.top
324 left: parent.left
325 right: parent.right
326 }
328 height: searchContainer.popover ? parent.height + searchContainer.popover.contentHeight + units.gu(2) : parent.height
330 onPressed: searchField.focus = false
331 }
332 }
333 }
334 }
336 BorderImage {
337 id: bottomBorder
338 anchors {
339 top: header.bottom
340 left: parent.left
341 right: parent.right
342 bottom: parent.bottom
343 }
345 source: "graphics/PageHeaderBaseDivider.sci"
346 }