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unity8/qml/Components/ResponsiveVerticalJournal.qml
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1/*
2 * Copyright (C) 2013-2014 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 "../Components"
20import Dash 0.1
22/*!
23 \brief A responsive wrapper around VerticalJournal.
25 Based on defined column width, delegates are laid out in columns following
26 a top-left most position rule.
28 Example:
29 +-----+ +-----+ +-----+
30 | | | 2 | | |
31 | | | | | |
32 | 1 | +-----+ | 3 |
33 | | +-----+ | |
34 | | | | +-----+
35 +-----+ | 4 | +-----+
36 +-----+ | | | 5 |
37 | 6 | +-----+ | |
38 | | +-----+
39 +-----+
40*/
41Item {
42 property real minimumColumnSpacing: units.gu(1)
44 property alias columnWidth: verticalJournalView.columnWidth
45 property alias rowSpacing: verticalJournalView.rowSpacing
46 property alias model: verticalJournalView.model
47 property alias delegate: verticalJournalView.delegate
48 property alias displayMarginBeginning: verticalJournalView.displayMarginBeginning
49 property alias displayMarginEnd: verticalJournalView.displayMarginEnd
50 implicitHeight: verticalJournalView.implicitHeight
52 VerticalJournal {
53 id: verticalJournalView
54 objectName: "responsiveVerticalJournalView"
55 anchors {
56 fill: parent
57 leftMargin: columnSpacing / 2
58 rightMargin: columnSpacing / 2
59 topMargin: rowSpacing / 2
60 bottomMargin: rowSpacing / 2
61 }
62 clip: parent.height != implicitHeight
64 function px2gu(pixels) {
65 return Math.floor(pixels / units.gu(1))
66 }
68 columnSpacing: {
69 // parent.width = columns * columnWidth + (columns-1) * spacing + spacing(margins)
70 var expectedColumns = Math.max(1, Math.floor(parent.width / (columnWidth + minimumColumnSpacing)));
71 Math.floor((parent.width - expectedColumns * columnWidth) / expectedColumns);
72 }
73 }