FilterableTreeView.cpp
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1 /*
2  * This file is part of ArmarX.
3  *
4  * Copyright (C) 2011-2016, High Performance Humanoid Technologies (H2T), Karlsruhe Institute of Technology (KIT), all rights reserved.
5  *
6  * ArmarX is free software; you can redistribute it and/or modify
7  * it under the terms of the GNU General Public License version 2 as
8  * published by the Free Software Foundation.
9  *
10  * ArmarX is distributed in the hope that it will be useful, but
11  * WITHOUT ANY WARRANTY; without even the implied warranty of
12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13  * GNU General Public License for more details.
14  *
15  * You should have received a copy of the GNU General Public License
16  * along with this program. If not, see <http://www.gnu.org/licenses/>.
17  *
18  * @package
19  * @author
20  * @date
21  * @copyright http://www.gnu.org/licenses/gpl-2.0.txt
22  * GNU General Public License
23  */
24 #include "FilterableTreeView.h"
25 
26 #include <QLineEdit>
27 #include <QMouseEvent>
28 #include <QStandardItem>
29 
31 
32 #include "InfixFilterModel.h"
33 
34 #define DEFAULT_FILTER_CONTENT "Click&type to filter"
36 #define FILTER_HEIGHT 22
37 
38 FilterableTreeView::FilterableTreeView(QWidget* parent, bool hideChildren) :
39  QTreeView(parent), hideChildren(hideChildren)
40 {
41  filterLineEdit = new QLineEdit(this);
42  filterLineEdit->setPlaceholderText(DefaultFilterStr);
43  filterLineEdit->resize(this->width(), FILTER_HEIGHT);
44  filterExpansionTimer.setSingleShot(true);
45  connect(&filterExpansionTimer, SIGNAL(timeout()), this, SLOT(delayedFilterExpansion()));
46  setStyleSheet("QTreeView{margin-top: " + QString::number(filterLineEdit->height()) + "px}");
47 }
48 
49 void
50 FilterableTreeView::resizeEvent(QResizeEvent* event)
51 {
52  filterLineEdit->resize(event->size().width(), FILTER_HEIGHT);
53  QTreeView::resizeEvent(event);
54 }
55 
58 {
59  return proxyModel;
60 }
61 
62 void
63 FilterableTreeView::setModel(QAbstractItemModel* model)
64 {
65  proxyModel = new armarx::InfixFilterModel(this);
66  proxyModel->setSourceModel(model);
67  QTreeView::setModel(proxyModel);
68  // connect(filterLineEdit, SIGNAL(textChanged(QString)), this, SLOT(applyFilter(QString)));
69  connect(filterLineEdit,
70  SIGNAL(textChanged(QString)),
71  proxyModel,
72  SLOT(setFilterFixedString(QString)));
73  connect(filterLineEdit,
74  SIGNAL(textChanged(QString)),
75  this,
76  SLOT(expandFilterSelection(QString)),
77  Qt::QueuedConnection);
78 }
79 
80 void
82 {
83  //ARMARX_INFO_S << VAROUT(filterStr);
84  if (filterStr.length() == 0)
85  {
86  collapseAll();
87  // ui.monitoredManagersTree->expandToDepth(1);
88  }
89  else
90  {
91  filterExpansionTimer.start(500);
92  }
93 }
94 
95 void
97 {
99 }
FILTER_HEIGHT
#define FILTER_HEIGHT
Definition: FilterableTreeView.cpp:36
FilterableTreeView::delayedFilterExpansion
void delayedFilterExpansion()
Definition: FilterableTreeView.cpp:96
FilterableTreeView.h
InfixFilterModel.h
FilterableTreeView::FilterableTreeView
FilterableTreeView(QWidget *parent=0, bool hideChildren=true)
Definition: FilterableTreeView.cpp:38
FilterableTreeView::setModel
void setModel(QAbstractItemModel *model) override
Definition: FilterableTreeView.cpp:63
FilterableTreeView::DefaultFilterStr
static const QString DefaultFilterStr
Definition: FilterableTreeView.h:52
FilterableTreeView::expandFilterSelection
void expandFilterSelection(QString filterStr)
Definition: FilterableTreeView.cpp:81
armarx::InfixFilterModel::ExpandFilterResults
static void ExpandFilterResults(QTreeView *treeView)
Expands the treeview that all items that match the filterstring are expanded and directly visible.
Definition: InfixFilterModel.cpp:70
DEFAULT_FILTER_CONTENT
#define DEFAULT_FILTER_CONTENT
Definition: FilterableTreeView.cpp:34
armarx::InfixFilterModel
This proxy model reimplements the filterAcceptsRow function with a new behavior: All elements that fi...
Definition: InfixFilterModel.h:42
Exception.h
FilterableTreeView::getProxyModel
armarx::InfixFilterModel * getProxyModel() const
Definition: FilterableTreeView.cpp:57