]> git.sesse.net Git - kdenlive/blob - src/effectslistview.cpp
Cleanup decoration of tree views (effect list, project tree)
[kdenlive] / src / effectslistview.cpp
1 /***************************************************************************
2  *   Copyright (C) 2007 by Jean-Baptiste Mardelle (jb@kdenlive.org)        *
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; either version 2 of the License, or     *
7  *   (at your option) any later version.                                   *
8  *                                                                         *
9  *   This program is distributed in the hope that it will be useful,       *
10  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
11  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
12  *   GNU General Public License for more details.                          *
13  *                                                                         *
14  *   You should have received a copy of the GNU General Public License     *
15  *   along with this program; if not, write to the                         *
16  *   Free Software Foundation, Inc.,                                       *
17  *   51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA          *
18  ***************************************************************************/
19
20
21 #include "effectslistview.h"
22 #include "effectslistwidget.h"
23 #include "effectslist.h"
24 #include "kdenlivesettings.h"
25
26 #include <KDebug>
27 #include <KLocale>
28 #include <KStandardDirs>
29
30 #include <QMenu>
31 #include <QDir>
32
33 EffectsListView::EffectsListView(QWidget *parent) :
34         QWidget(parent)
35 {
36     setupUi(this);
37
38     QString style = "QTreeView::branch:has-siblings:!adjoins-item{border-image: none 0;} \
39     QTreeView::branch:has-siblings:adjoins-item {border-image: none 0;}      \
40     QTreeView::branch:!has-children:!has-siblings:adjoins-item {border-image: none 0;} \
41     QTreeView::branch:has-children:!has-siblings:closed,QTreeView::branch:closed:has-children:has-siblings {   \
42          border-image: none;image: url(:/images/stylesheet-branch-closed.png);}      \
43     QTreeView::branch:open:has-children:!has-siblings,QTreeView::branch:open:has-children:has-siblings  {    \
44          border-image: none;image: url(:/images/stylesheet-branch-open.png);}";
45
46     QMenu *contextMenu = new QMenu(this);
47     m_effectsList = new EffectsListWidget(contextMenu);
48     m_effectsList->setStyleSheet(style);
49     QVBoxLayout *lyr = new QVBoxLayout(effectlistframe);
50     lyr->addWidget(m_effectsList);
51     lyr->setContentsMargins(0, 0, 0, 0);
52     search_effect->setTreeWidget(m_effectsList);
53     search_effect->setToolTip(i18n("Search in the effect list"));
54     buttonInfo->setIcon(KIcon("help-about"));
55     buttonInfo->setToolTip(i18n("Show/Hide the effect description"));
56     setFocusPolicy(Qt::StrongFocus);
57     setFocusProxy(search_effect);
58     m_effectsList->setFocusProxy(search_effect);
59
60     if (KdenliveSettings::showeffectinfo())
61         buttonInfo->setDown(true);
62     else
63         infopanel->hide();
64
65     contextMenu->addAction(KIcon("edit-delete"), i18n("Delete effect"), this, SLOT(slotRemoveEffect()));
66
67     connect(type_combo, SIGNAL(currentIndexChanged(int)), this, SLOT(filterList(int)));
68     connect(buttonInfo, SIGNAL(clicked()), this, SLOT(showInfoPanel()));
69     connect(m_effectsList, SIGNAL(itemSelectionChanged()), this, SLOT(slotUpdateInfo()));
70     connect(m_effectsList, SIGNAL(itemDoubleClicked(QTreeWidgetItem *, int)), this, SLOT(slotEffectSelected()));
71     connect(search_effect, SIGNAL(hiddenChanged(QTreeWidgetItem *, bool)), this, SLOT(slotUpdateSearch(QTreeWidgetItem *, bool)));
72     connect(search_effect, SIGNAL(textChanged(QString)), this, SLOT(slotAutoExpand(QString)));
73     //m_effectsList->setCurrentRow(0);
74 }
75
76 void EffectsListView::filterList(int pos)
77 {
78     for (int i = 0; i < m_effectsList->topLevelItemCount(); i++) {
79         QTreeWidgetItem *folder = m_effectsList->topLevelItem(i);
80         bool hideFolder = true;
81         for (int j = 0; j < folder->childCount(); j++) {
82             QTreeWidgetItem *item = folder->child(j);
83             if (pos == 0 || pos == item->data(0, Qt::UserRole).toInt()) {
84                 item->setHidden(false);
85                 hideFolder = false;
86             } else {
87                 item->setHidden(true);
88             }
89         }
90         // do not hide the folder if it's empty but "All" is selected
91         if (pos == 0)
92             hideFolder = false;
93         folder->setHidden(hideFolder);
94     }
95     // make sure we don't show anything not matching the search expression
96     search_effect->updateSearch();
97
98
99     /*item = m_effectsList->currentItem();
100     if (item) {
101         if (item->isHidden()) {
102             int i;
103             for (i = 0; i < m_effectsList->count() && m_effectsList->item(i)->isHidden(); i++); //do nothing
104             m_effectsList->setCurrentRow(i);
105         } else m_effectsList->scrollToItem(item);
106     }*/
107 }
108
109 void EffectsListView::showInfoPanel()
110 {
111     bool show = !infopanel->isVisible();
112     infopanel->setVisible(show);
113     buttonInfo->setDown(show);
114     KdenliveSettings::setShoweffectinfo(show);
115 }
116
117 void EffectsListView::slotEffectSelected()
118 {
119     QDomElement effect = m_effectsList->currentEffect();
120         QTreeWidgetItem* item=m_effectsList->currentItem();
121         if (item &&  m_effectsList->indexOfTopLevelItem(item)!=-1){
122                 item->setExpanded(!item->isExpanded());         
123         }
124     if (!effect.isNull())
125         emit addEffect(effect);
126 }
127
128 void EffectsListView::slotUpdateInfo()
129 {
130     infopanel->setText(m_effectsList->currentInfo());
131 }
132
133 void EffectsListView::reloadEffectList(QMenu *effectsMenu, KActionCategory *effectActions)
134 {
135     m_effectsList->initList(effectsMenu, effectActions);
136 }
137
138 void EffectsListView::slotRemoveEffect()
139 {
140     QTreeWidgetItem *item = m_effectsList->currentItem();
141     QString effectId = item->text(0);
142     QString path = KStandardDirs::locateLocal("appdata", "effects/", true);
143
144     QDir directory = QDir(path);
145     QStringList filter;
146     filter << "*.xml";
147     const QStringList fileList = directory.entryList(filter, QDir::Files);
148     QString itemName;
149     foreach(const QString &filename, fileList) {
150         itemName = KUrl(path + filename).path();
151         QDomDocument doc;
152         QFile file(itemName);
153         doc.setContent(&file, false);
154         file.close();
155         QDomNodeList effects = doc.elementsByTagName("effect");
156         if (effects.count() != 1) {
157             kDebug() << "More than one effect in file " << itemName << ", NOT SUPPORTED YET";
158         } else {
159             QDomElement e = effects.item(0).toElement();
160             if (e.attribute("id") == effectId) {
161                 QFile::remove(itemName);
162                 break;
163             }
164         }
165     }
166     emit reloadEffects();
167 }
168
169 void EffectsListView::slotUpdateSearch(QTreeWidgetItem *item, bool hidden)
170 {
171     if (!hidden) {
172         if (item->data(0, Qt::UserRole).toInt() == type_combo->currentIndex()) {
173             if (item->parent())
174                 item->parent()->setHidden(false);
175         } else {
176             if (type_combo->currentIndex() != 0)
177                 item->setHidden(true);
178         }
179     }
180 }
181
182 void EffectsListView::slotAutoExpand(QString text)
183 {
184     search_effect->updateSearch();
185
186     for (int i = 0; i < m_effectsList->topLevelItemCount(); ++i) {
187         QTreeWidgetItem *folder = m_effectsList->topLevelItem(i);
188         bool expandFolder = false;
189         /*if (folder->isHidden())
190             continue;*/
191         if (!text.isEmpty()) {
192             for (int j = 0; j < folder->childCount(); j++) {
193                 QTreeWidgetItem *item = folder->child(j);
194                 if (!item->isHidden())
195                     expandFolder = true;
196             }
197         }
198         folder->setExpanded(expandFolder);
199     }
200 }
201
202 #include "effectslistview.moc"