Unity 8
FilterWidgetFactory.qml
1 /*
2  * Copyright (C) 2015 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  */
16 
17 import QtQuick 2.4
18 import Ubuntu.Components 1.3
19 import Unity 0.2
20 
21 //! \brief This component loads the widgets based on widgetType.
22 
23 Item {
24  id: root
25  //! Identifier of the widget.
26  property string widgetId: ""
27 
28  //! Type of the widget to display.
29  property int widgetType
30 
31  //! Widget data, forwarded to the widget as is.
32  property var widgetData: null
33 
34  // Emitted iff filter type is FilterOptionSelector
35  signal singleSelectionFilterSelected()
36 
37  implicitHeight: title.height + title.anchors.topMargin + loader.height
38 
39  Label {
40  id: title
41  text: widgetData && !(loader.item && loader.item.showsTitleOnItsOwn) ? widgetData.title : ""
42  height: text != "" ? implicitHeight : 0
43 
44  anchors {
45  top: parent.top
46  left: parent.left
47  right: parent.right
48 
49  topMargin: height > 0 ? units.gu(1) : 0
50  leftMargin: units.gu(2)
51  rightMargin: anchors.leftMargin
52  }
53  }
54 
55  property alias active: loader.active
56 
57  Loader {
58  id: loader
59  objectName: "loader"
60 
61  anchors {
62  top: title.bottom
63  left: parent.left
64  right: parent.right
65  }
66 
67  source: widgetSource
68 
69  readonly property url widgetSource: {
70  switch (widgetType) {
71  case Filters.OptionSelectorFilter: return "FilterOptionSelector.qml";
72  case Filters.RangeInputFilter: return "FilterRangeInput.qml";
73  case Filters.ValueSliderFilter: return "FilterValueSlider.qml";
74  case Filters.ExpandableFilterWidget: return "FilterExpandableWidget.qml";
75  default: return "";
76  }
77  }
78 
79  onLoaded: {
80  item.widgetId = Qt.binding(function() { return root.widgetId } )
81  item.widgetData = Qt.binding(function() { return root.widgetData } )
82  }
83 
84  Connections {
85  target: widgetType == Filters.OptionSelectorFilter ? loader.item : null
86  onFilterSelected: root.singleSelectionFilterSelected()
87  }
88  }
89 }