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