Differential D3673 Diff 9793 plugins/quickopen/expandingtree/expandingwidgetmodel.h

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plugins/quickopen/expandingtree/expandingwidgetmodel.h

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21#ifndef KDEVPLATFORM_PLUGIN_EXPANDING_WIDGET_MODEL_H 21​#ifndef KDEVPLATFORM_PLUGIN_EXPANDING_WIDGET_MODEL_H
22#define KDEVPLATFORM_PLUGIN_EXPANDING_WIDGET_MODEL_H 22​#define KDEVPLATFORM_PLUGIN_EXPANDING_WIDGET_MODEL_H
23 23​
24#include <QAbstractTableModel> 24​#include <QAbstractTableModel>
25#include <QtCore/QHash> 25​#include <QtCore/QHash>
26#include <QIcon> 26​#include <QIcon>
27#include <QPersistentModelIndex> 27​#include <QPersistentModelIndex>
28#include <QPointer> 28​#include <QPointer>
29​#include <QSortFilterProxyModel>
30​
31​class ExpandingDelegate;
32​class ExpandingTree;
29 33​
30class KWidget; 34​class KWidget;
31class QTreeView; 35​class QTreeView;
32class QTextEdit; 36​class QTextEdit;
33 37​
34/** 38​/**
35 * Cares about expanding/un-expanding items in a tree-view together with ExpandingDelegate 39​ * Cares about expanding/un-expanding items in a tree-view together with ExpandingDelegate
36 */ 40​ */
▲ Show 20 Lines • Show All 55 Lines • ▼ Show 20 Line(s)41class ExpandingWidgetModel : public QAbstractTableModel {
92 * Does nothing when nothing needs to be done. 96​ * Does nothing when nothing needs to be done.
93 * Does NOT show the expanding-widget. That is done immediately when painting by ExpandingDelegate, 97​ * Does NOT show the expanding-widget. That is done immediately when painting by ExpandingDelegate,
94 * to reduce flickering. @see showPartialExpandWidget() 98​ * to reduce flickering. @see showPartialExpandWidget()
95 * @param row The row 99​ * @param row The row
96 * */ 100​ * */
97 /// 101​ ///
98 virtual void rowSelected(const QModelIndex & row); 102​ virtual void rowSelected(const QModelIndex & row);
99 103​
100 ///Returns the rectangle for the partially expanded part of the given row 104​ /// Returns the rectangle for the partially expanded part of the given row
105​ /// TODO: Do this via QAIM roles?
101 QRect partialExpandRect(const QModelIndex & row) const; 106​ QRect partialExpandRect(const QModelIndex & row) const;
102 107​
108​ /// TODO: Do this via QAIM roles?
103 QString partialExpandText(const QModelIndex & row) const; 109​ QString partialExpandText(const QModelIndex & row) const;
104 110​
105 ///Places and shows the expanding-widget for the given row, if it should be visible and is valid. 111​ ///Places and shows the expanding-widget for the given row, if it should be visible and is valid.
106 ///Also shows the partial-expanding-widget when it should be visible. 112​ ///Also shows the partial-expanding-widget when it should be visible.
107 void placeExpandingWidget(const QModelIndex & row); 113​ void placeExpandingWidget(const QModelIndex & row);
108 114​
109 virtual QTreeView* treeView() const = 0; 115​ virtual QTreeView* treeView() const = 0;
110 116​
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125 void placeExpandingWidgets(); 131​ void placeExpandingWidgets();
126 132​
127 protected: 133​ protected:
128 /** 134​ /**
129 * @return the context-match quality from 0 to 10 if it could be determined, else -1 135​ * @return the context-match quality from 0 to 10 if it could be determined, else -1
130 * */ 136​ * */
131 virtual int contextMatchQuality(const QModelIndex & index) const = 0; 137​ virtual int contextMatchQuality(const QModelIndex & index) const = 0;
132 138​
139​ QModelIndex mapFromSource(const QModelIndex& index) const;
140​ QModelIndex mapToSource(const QModelIndex& index) const;
141​
133 //Makes sure m_expandedIcon and m_collapsedIcon are loaded 142​ //Makes sure m_expandedIcon and m_collapsedIcon are loaded
134 void cacheIcons() const; 143​ void cacheIcons() const;
135 144​
136 static QIcon m_expandedIcon; 145​ static QIcon m_expandedIcon;
137 static QIcon m_collapsedIcon; 146​ static QIcon m_collapsedIcon;
138 147​
139 //Does not update the view 148​ //Does not update the view
140 void partiallyUnExpand(const QModelIndex& index); 149​ void partiallyUnExpand(const QModelIndex& index);
141 //Finds out the basic height of the row represented by the given index. Basic means without respecting any expansion. 150​ //Finds out the basic height of the row represented by the given index. Basic means without respecting any expansion.
142 int basicRowHeight( const QModelIndex& index ) const; 151​ int basicRowHeight( const QModelIndex& index ) const;
143 152​
144 private: 153​ private:
154​ friend ExpandingDelegate;
155​ friend ExpandingTree;
156​
145 QMap<QModelIndex, ExpansionType> m_partiallyExpanded; 157​ QMap<QModelIndex, ExpansionType> m_partiallyExpanded;
146 // Store expanding-widgets and cache whether items can be expanded 158​ // Store expanding-widgets and cache whether items can be expanded
147 mutable QMap<QModelIndex, ExpandingType> m_expandState; 159​ mutable QMap<QModelIndex, ExpandingType> m_expandState;
148 QMap< QModelIndex, QPointer<QWidget> > m_expandingWidgets; //Map rows to their expanding-widgets 160​ QMap< QModelIndex, QPointer<QWidget> > m_expandingWidgets; //Map rows to their expanding-widgets
149 QMap< QModelIndex, int > m_contextMatchQualities; //Map rows to their context-match qualities(undefined if unknown, else 0 to 10). Not used yet, eventually remove. 161​ QMap< QModelIndex, int > m_contextMatchQualities; //Map rows to their context-match qualities(undefined if unknown, else 0 to 10). Not used yet, eventually remove.
150}; 162​};
151 163​
152 164​
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