aboutsummaryrefslogtreecommitdiffstats
path: root/src/plugins/qmldesigner/components/itemlibrary/qml/SectionView.qml
blob: 3f44df84b7b6eb68e1dfc88ffb70ca7c447ab2a8 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
/****************************************************************************
**
** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of Qt Creator.
**
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Digia.  For licensing terms and
** conditions see http://qt.digia.com/licensing.  For further information
** use the contact form at http://qt.digia.com/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file.  Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Digia gives you certain additional
** rights.  These rights are described in the Digia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
****************************************************************************/

import QtQuick 1.0

// view displaying one item library section including its grid

Column {
    id: sectionView

    // public

    property variant itemHighlight

    property int entriesPerRow
    property int cellWidth
    property int cellHeight

    property variant currentItem: gridView.currentItem

    function expand() {
        gridFrame.state = ""
    }

    signal itemSelected(int itemLibId)
    signal itemDragged(int itemLibId)

    function setSelection(itemSectionIndex)
    {
        gridView.currentIndex = itemSectionIndex
    }

    function unsetSelection()
    {
        gridView.currentIndex = -1
    }

    function focusSelection(flickable) {
        var pos = -1;

        if (!gridView.currentItem)
            return;

        var currentItemX = sectionView.x + gridFrame.x + gridView.x + gridView.currentItem.x;
        var currentItemY = sectionView.y + gridFrame.y + gridView.y + gridView.currentItem.y
        - gridView.contentY;  // workaround: GridView reports wrong contentY

        if (currentItemY < flickable.contentY)
            pos = Math.max(0, currentItemY)

            else if ((currentItemY + gridView.currentItem.height) >
                     (flickable.contentY + flickable.height - 1))
                pos = Math.min(Math.max(0, flickable.contentHeight - flickable.height),
        currentItemY + gridView.currentItem.height - flickable.height + 1)

                if (pos >= 0)
                    flickable.contentY = pos
    }

    // internal

    ItemsViewStyle { id: style }

    Component {
        id: itemDelegate

        ItemView {
            id: item

            width: cellWidth
            height: cellHeight

            onItemPressed: sectionView.itemSelected(itemLibId)
            onItemDragged: sectionView.itemDragged(itemLibId)
        }
    }

    // clickable header bar
    Rectangle {
        width: parent.width
        height: style.sectionTitleHeight

        color: style.sectionTitleBackgroundColor

        Item {
            id: arrow

            Rectangle { y: 0; x: 0; height: 1; width: 11; color: style.sectionArrowColor }
            Rectangle { y: 1; x: 1; height: 1; width: 9;  color: style.sectionArrowColor }
            Rectangle { y: 2; x: 2; height: 1; width: 7;  color: style.sectionArrowColor }
            Rectangle { y: 3; x: 3; height: 1; width: 5;  color: style.sectionArrowColor }
            Rectangle { y: 4; x: 4; height: 1; width: 3;  color: style.sectionArrowColor }
            Rectangle { y: 5; x: 5; height: 1; width: 1;  color: style.sectionArrowColor }

            anchors.left: parent.left
            anchors.leftMargin: 10
            anchors.verticalCenter: parent.verticalCenter
            width: 11
            height: 6

            transformOrigin: Item.Center
        }
        Text {
            id: text

            anchors.verticalCenter: parent.verticalCenter
            anchors.left: arrow.right
            anchors.leftMargin: 12

            text: sectionName  // to be set by model
            color: style.sectionTitleTextColor
            elide: Text.ElideMiddle
            font.bold: true
        }
        MouseArea {
            anchors.fill: parent
            onClicked: gridFrame.toggleExpanded()
        }
    }

    Item { height: 2; width: 1 }

    Item {
        id: gridFrame

        function toggleExpanded() {
            state = ((state == "")? "shrunk":"")
        }

        clip: true
        width: entriesPerRow * cellWidth + 1
        height: Math.ceil(sectionEntries.count / entriesPerRow) * cellHeight + 1
        anchors.horizontalCenter: parent.horizontalCenter

        GridView {
            id: gridView

            Connections {
                target: itemLibraryModel  // to be set in Qml context
                onSectionVisibilityChanged: {
                    /* workaround: reset model in order to get the grid view
updated properly under all conditions */
                    if (changedSectionLibId == sectionLibId)
                        gridView.model = sectionEntries
                }
            }

            anchors.fill: parent
            anchors.rightMargin: 1
            anchors.bottomMargin: 1

            cellWidth: sectionView.cellWidth
            cellHeight: sectionView.cellHeight
            model: sectionEntries  // to be set by model
            delegate: itemDelegate
            highlight: itemHighlight
            interactive: false
            highlightFollowsCurrentItem: false
        }

        states: [
        State {
            name: "shrunk"
            PropertyChanges {
                target: gridFrame
                height: 0
                opacity: 0
            }
            PropertyChanges {
                target: arrow
                rotation: -90
            }
        }
        ]
    }

    Item { height: 4; width: 1 }
}