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173 lines
6.5 KiB
173 lines
6.5 KiB
/****************************************************************************
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**
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** Copyright (C) 2016 The Qt Company Ltd.
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** Contact: https://www.qt.io/licensing/
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**
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** This file is part of the Qt Quick Controls module of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:LGPL$
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** Commercial License Usage
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** Licensees holding valid commercial Qt licenses may use this file in
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** accordance with the commercial license agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and The Qt Company. For licensing terms
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** and conditions see https://www.qt.io/terms-conditions. For further
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** information use the contact form at https://www.qt.io/contact-us.
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**
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** GNU Lesser General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** General Public License version 3 as published by the Free Software
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** Foundation and appearing in the file LICENSE.LGPL3 included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU Lesser General Public License version 3 requirements
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** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
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**
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** GNU General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU
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** General Public License version 2.0 or (at your option) the GNU General
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** Public license version 3 or any later version approved by the KDE Free
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** Qt Foundation. The licenses are as published by the Free Software
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** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
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** included in the packaging of this file. Please review the following
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** information to ensure the GNU General Public License requirements will
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** be met: https://www.gnu.org/licenses/gpl-2.0.html and
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** https://www.gnu.org/licenses/gpl-3.0.html.
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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import QtQuick 2.2
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/*!
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\qmltype TableViewColumn
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\inqmlmodule QtQuick.Controls
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\since 5.1
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\ingroup viewitems
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\ingroup controls
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\brief Used to define columns in a \l TableView or in a \l TreeView.
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\image tableview.png
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TableViewColumn represents a column within a TableView or a TreeView. It provides
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properties to decide how the data in that column is presented.
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\qml
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TableView {
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TableViewColumn { role: "title"; title: "Title"; width: 100 }
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TableViewColumn { role: "author"; title: "Author"; width: 200 }
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model: libraryModel
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}
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\endqml
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\sa TableView, TreeView
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*/
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QtObject {
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/*! \internal */
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property Item __view: null
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/*! \internal */
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property int __index: -1
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/*! The title text of the column. */
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property string title
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/*! The model \c role of the column. */
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property string role
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/*! The current width of the column.
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The default value depends on platform. If only one
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column is defined, the width expands to the viewport.
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*/
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property int width: (__view && __view.columnCount === 1) ? __view.viewport.width : 160
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/*! The visible status of the column. */
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property bool visible: true
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/*! Determines if the column should be resizable.
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\since QtQuick.Controls 1.1 */
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property bool resizable: true
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/*! Determines if the column should be movable.
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The default value is \c true.
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\note A non-movable column may get indirectly moved if adjacent columns are movable.
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\since QtQuick.Controls 1.1 */
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property bool movable: true
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/*! \qmlproperty enumeration TableViewColumn::elideMode
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The text elide mode of the column.
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Allowed values are:
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\list
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\li Text.ElideNone
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\li Text.ElideLeft
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\li Text.ElideMiddle
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\li Text.ElideRight - the default
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\endlist
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\sa {Text::elide}{elide} */
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property int elideMode: Text.ElideRight
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/*! \qmlproperty enumeration TableViewColumn::horizontalAlignment
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The horizontal text alignment of the column.
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Allowed values are:
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\list
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\li Text.AlignLeft - the default
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\li Text.AlignRight
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\li Text.AlignHCenter
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\li Text.AlignJustify
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\endlist
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\sa {Text::horizontalAlignment}{horizontalAlignment} */
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property int horizontalAlignment: Text.AlignLeft
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/*! The delegate of the column. This can be used to set the itemDelagate
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of a \l TableView or \l TreeView for a specific column.
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In the delegate you have access to the following special properties:
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\list
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\li styleData.selected - if the item is currently selected
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\li styleData.value - the value or text for this item
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\li styleData.textColor - the default text color for an item
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\li styleData.row - the index of the row
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\li styleData.column - the index of the column
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\li styleData.elideMode - the elide mode of the column
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\li styleData.textAlignment - the horizontal text alignment of the column
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\endlist
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*/
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property Component delegate
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property int accessibleRole: Accessible.ColumnHeader
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/*! \qmlmethod void TableViewColumn::resizeToContents()
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Resizes the column so that the implicitWidth of the contents on every row will fit.
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\since QtQuick.Controls 1.2 */
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function resizeToContents() {
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var minWidth = 0
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var listdata = __view.__listView.children[0]
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for (var i = 0; __index === -1 && i < __view.__columns.length; ++i) {
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if (__view.__columns[i] === this)
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__index = i
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}
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// ### HACK We don't have direct access to the instantiated item,
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// so we go spelunking. Each 'item' variable check is annotated
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// with the expected object it should point to in BasicTableView.
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for (var row = 0 ; row < listdata.children.length ; ++row) {
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var item = listdata.children[row] ? listdata.children[row].rowItem : undefined
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if (item) { // FocusScope { id: rowitem }
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item = item.children[1]
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if (item) { // Row { id: itemrow }
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item = item.children[__index]
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if (item) { // Repeater.delegate a.k.a. __view.__itemDelegateLoader
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var indent = __view.__isTreeView && __index === 0 ? item.__itemIndentation : 0
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item = item.item
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if (item && item.hasOwnProperty("implicitWidth")) {
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minWidth = Math.max(minWidth, item.implicitWidth + indent)
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}
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}
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}
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}
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}
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if (minWidth)
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width = minWidth
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}
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}
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