lib

KoOpenPane.cpp

00001 /* This file is part of the KDE project
00002    Copyright (C) 2005 Peter Simonsson <psn@linux.se>
00003 
00004    This library is free software; you can redistribute it and/or
00005    modify it under the terms of the GNU Library General Public
00006    License as published by the Free Software Foundation; either
00007    version 2 of the License, or (at your option) any later version.
00008 
00009    This library is distributed in the hope that it will be useful,
00010    but WITHOUT ANY WARRANTY; without even the implied warranty of
00011    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00012    Library General Public License for more details.
00013 
00014    You should have received a copy of the GNU Library General Public License
00015    along with this library; see the file COPYING.LIB.  If not, write to
00016    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
00017  * Boston, MA 02110-1301, USA.
00018 */
00019 
00020 #include "KoOpenPane.h"
00021 
00022 #include <qvbox.h>
00023 #include <qlayout.h>
00024 #include <qheader.h>
00025 #include <qwidgetstack.h>
00026 #include <qlabel.h>
00027 #include <qvaluelist.h>
00028 #include <qimage.h>
00029 #include <qpainter.h>
00030 #include <qpen.h>
00031 
00032 #include <klocale.h>
00033 #include <kfiledialog.h>
00034 #include <kinstance.h>
00035 #include <kpushbutton.h>
00036 #include <kiconloader.h>
00037 #include <kdebug.h>
00038 #include <klistview.h>
00039 
00040 #include "KoFilterManager.h"
00041 #include "KoTemplates.h"
00042 #include "KoDocument.h"
00043 #include "KoDetailsPane.h"
00044 #include "koDetailsPaneBase.h"
00045 
00046 #include <limits.h>
00047 
00048 class KoSectionListItem : public QListViewItem
00049 {
00050   public:
00051     KoSectionListItem(KListView* listView, const QString& name, int sortWeight, int widgetIndex = -1)
00052       : QListViewItem(listView, name), m_sortWeight(sortWeight), m_widgetIndex(widgetIndex)
00053     {
00054     }
00055 
00056     virtual int compare(QListViewItem* i, int, bool) const
00057     {
00058       KoSectionListItem* item = dynamic_cast<KoSectionListItem*>(i);
00059 
00060       if(!item)
00061         return 0;
00062 
00063       return sortWeight() - item->sortWeight();
00064     }
00065 
00066     virtual void paintCell(QPainter* p, const QColorGroup& cg, int column, int width, int align)
00067     {
00068       if(widgetIndex() >= 0) {
00069         QListViewItem::paintCell(p, cg, column, width, align);
00070       } else {
00071         int ypos = (height() - 2) / 2;
00072         QPen pen(cg.foreground(), 2);
00073         p->setPen(pen);
00074         p->drawLine(0, ypos, width, ypos);
00075       }
00076     }
00077 
00078     int sortWeight() const { return m_sortWeight; }
00079     int widgetIndex() const { return m_widgetIndex; }
00080 
00081   private:
00082     int m_sortWeight;
00083     int m_widgetIndex;
00084 };
00085 
00086 class KoOpenPanePrivate
00087 {
00088   public:
00089     KoOpenPanePrivate() :
00090       m_instance(0)
00091     {
00092     }
00093 
00094     KInstance* m_instance;
00095 };
00096 
00097 KoOpenPane::KoOpenPane(QWidget *parent, KInstance* instance, const QString& templateType)
00098   : KoOpenPaneBase(parent, "OpenPane")
00099 {
00100   d = new KoOpenPanePrivate;
00101   d->m_instance = instance;
00102 
00103   m_sectionList->header()->hide();
00104   m_sectionList->setSorting(0);
00105   connect(m_sectionList, SIGNAL(selectionChanged(QListViewItem*)),
00106           this, SLOT(selectionChanged(QListViewItem*)));
00107   connect(m_sectionList, SIGNAL(pressed(QListViewItem*)),
00108           this, SLOT(itemClicked(QListViewItem*)));
00109   connect(m_sectionList, SIGNAL(spacePressed(QListViewItem*)),
00110           this, SLOT(itemClicked(QListViewItem*)));
00111   connect(m_sectionList, SIGNAL(returnPressed(QListViewItem*)),
00112           this, SLOT(itemClicked(QListViewItem*)));
00113 
00114   KGuiItem openExistingGItem(i18n("Open Existing Document..."), "fileopen");
00115   m_openExistingButton->setGuiItem(openExistingGItem);
00116   connect(m_openExistingButton, SIGNAL(clicked()), this, SLOT(showOpenFileDialog()));
00117 
00118   initRecentDocs();
00119   initTemplates(templateType);
00120 
00121   KoSectionListItem* selectedItem = static_cast<KoSectionListItem*>(m_sectionList->selectedItem());
00122 
00123   if(selectedItem) {
00124     m_widgetStack->widget(selectedItem->widgetIndex())->setFocus();
00125   }
00126 
00127   QValueList<int> sizes;
00128   sizes << 20 << width() - 20;
00129   m_splitter->setSizes(sizes);
00130 
00131   // Set the sizes of the details pane splitters
00132   KConfigGroup cfgGrp(d->m_instance->config(), "TemplateChooserDialog");
00133   sizes = cfgGrp.readIntListEntry("DetailsPaneSplitterSizes");
00134   emit splitterResized(0, sizes);
00135 
00136   connect(this, SIGNAL(splitterResized(KoDetailsPaneBase*, const QValueList<int>&)),
00137           this, SLOT(saveSplitterSizes(KoDetailsPaneBase*, const QValueList<int>&)));
00138 }
00139 
00140 KoOpenPane::~KoOpenPane()
00141 {
00142   KoSectionListItem* item = dynamic_cast<KoSectionListItem*>(m_sectionList->selectedItem());
00143 
00144   if(item) {
00145     if(!dynamic_cast<KoDetailsPaneBase*>(m_widgetStack->widget(item->widgetIndex()))) {
00146       KConfigGroup cfgGrp(d->m_instance->config(), "TemplateChooserDialog");
00147       cfgGrp.writeEntry("LastReturnType", "Custom");
00148     }
00149   }
00150 
00151   delete d;
00152 }
00153 
00154 void KoOpenPane::showOpenFileDialog()
00155 {
00156   const QStringList mimeFilter = KoFilterManager::mimeFilter(KoDocument::readNativeFormatMimeType(),
00157       KoFilterManager::Import, KoDocument::readExtraNativeMimeTypes());
00158 
00159   KURL url = KFileDialog::getOpenURL(":OpenDialog", mimeFilter.join(" "), this);
00160 
00161   if(!url.isEmpty()) {
00162     KConfigGroup cfgGrp(d->m_instance->config(), "TemplateChooserDialog");
00163     cfgGrp.writeEntry("LastReturnType", "File");
00164     emit openExistingFile(url.url());
00165   }
00166 }
00167 
00168 void KoOpenPane::initRecentDocs()
00169 {
00170   KoRecentDocumentsPane* recentDocPane = new KoRecentDocumentsPane(this, d->m_instance);
00171   connect(recentDocPane, SIGNAL(openFile(const QString&)), this, SIGNAL(openExistingFile(const QString&)));
00172   QListViewItem* item = addPane(i18n("Recent Documents"), "fileopen", recentDocPane, 0);
00173   connect(recentDocPane, SIGNAL(splitterResized(KoDetailsPaneBase*, const QValueList<int>&)),
00174           this, SIGNAL(splitterResized(KoDetailsPaneBase*, const QValueList<int>&)));
00175   connect(this, SIGNAL(splitterResized(KoDetailsPaneBase*, const QValueList<int>&)),
00176           recentDocPane, SLOT(resizeSplitter(KoDetailsPaneBase*, const QValueList<int>&)));
00177 
00178   KoSectionListItem* separator = new KoSectionListItem(m_sectionList, "", 1);
00179   separator->setEnabled(false);
00180 
00181   if(d->m_instance->config()->hasGroup("RecentFiles")) {
00182     m_sectionList->setSelected(item, true);
00183   }
00184 }
00185 
00186 void KoOpenPane::initTemplates(const QString& templateType)
00187 {
00188   QListViewItem* selectItem = 0;
00189   QListViewItem* firstItem = 0;
00190   const int templateOffset = 1000;
00191 
00192   if(!templateType.isEmpty())
00193   {
00194     KoTemplateTree templateTree(templateType.local8Bit(), d->m_instance, true);
00195 
00196     for (KoTemplateGroup *group = templateTree.first(); group != 0L; group = templateTree.next()) {
00197       if (group->isHidden()) {
00198         continue;
00199       }
00200 
00201       KoTemplatesPane* pane = new KoTemplatesPane(this, d->m_instance,
00202           group, templateTree.defaultTemplate());
00203       connect(pane, SIGNAL(openTemplate(const QString&)), this, SIGNAL(openTemplate(const QString&)));
00204       connect(pane, SIGNAL(alwaysUseChanged(KoTemplatesPane*, const QString&)),
00205               this, SIGNAL(alwaysUseChanged(KoTemplatesPane*, const QString&)));
00206       connect(this, SIGNAL(alwaysUseChanged(KoTemplatesPane*, const QString&)),
00207               pane, SLOT(changeAlwaysUseTemplate(KoTemplatesPane*, const QString&)));
00208       connect(pane, SIGNAL(splitterResized(KoDetailsPaneBase*, const QValueList<int>&)),
00209               this, SIGNAL(splitterResized(KoDetailsPaneBase*, const QValueList<int>&)));
00210       connect(this, SIGNAL(splitterResized(KoDetailsPaneBase*, const QValueList<int>&)),
00211               pane, SLOT(resizeSplitter(KoDetailsPaneBase*, const QValueList<int>&)));
00212       QListViewItem* item = addPane(group->name(), group->first()->loadPicture(d->m_instance),
00213                                     pane, group->sortingWeight() + templateOffset);
00214 
00215       if(!firstItem) {
00216         firstItem = item;
00217       }
00218 
00219       if(group == templateTree.defaultGroup()) {
00220         firstItem = item;
00221       }
00222 
00223       if(pane->isSelected()) {
00224         selectItem = item;
00225       }
00226     }
00227   } else {
00228     firstItem = m_sectionList->firstChild();
00229   }
00230 
00231   KConfigGroup cfgGrp(d->m_instance->config(), "TemplateChooserDialog");
00232 
00233   if(selectItem && (cfgGrp.readEntry("LastReturnType") == "Template")) {
00234     m_sectionList->setSelected(selectItem, true);
00235   } else if(!m_sectionList->selectedItem() && firstItem) {
00236     m_sectionList->setSelected(firstItem, true);
00237   }
00238 }
00239 
00240 void KoOpenPane::setCustomDocumentWidget(QWidget *widget) {
00241   Q_ASSERT(widget);
00242   KoSectionListItem* separator = new KoSectionListItem(m_sectionList, "", INT_MAX-1);
00243   separator->setEnabled(false);
00244 
00245   QListViewItem* item = addPane(i18n("Custom Document"), QString::null, widget, INT_MAX);
00246 
00247   KConfigGroup cfgGrp(d->m_instance->config(), "TemplateChooserDialog");
00248 
00249   if(cfgGrp.readEntry("LastReturnType") == "Custom") {
00250     m_sectionList->setSelected(item, true);
00251     KoSectionListItem* selectedItem = static_cast<KoSectionListItem*>(item);
00252     m_widgetStack->widget(selectedItem->widgetIndex())->setFocus();
00253   }
00254 }
00255 
00256 QListViewItem* KoOpenPane::addPane(const QString& title, const QString& icon, QWidget* widget, int sortWeight)
00257 {
00258   return addPane(title, SmallIcon(icon, KIcon::SizeLarge, KIcon::DefaultState, d->m_instance),
00259                  widget, sortWeight);
00260 }
00261 
00262 QListViewItem* KoOpenPane::addPane(const QString& title, const QPixmap& icon, QWidget* widget, int sortWeight)
00263 {
00264   if(!widget) {
00265     return 0;
00266   }
00267 
00268   int id = m_widgetStack->addWidget(widget);
00269   KoSectionListItem* listItem = new KoSectionListItem(m_sectionList, title, sortWeight, id);
00270 
00271   if(!icon.isNull()) {
00272     QImage image = icon.convertToImage();
00273 
00274     if((image.width() > 48) || (image.height() > 48)) {
00275       image = image.smoothScale(48, 48, QImage::ScaleMin);
00276     }
00277 
00278     image.setAlphaBuffer(true);
00279     image = image.copy((image.width() - 48) / 2, (image.height() - 48) / 2, 48, 48);
00280     listItem->setPixmap(0, QPixmap(image));
00281   }
00282 
00283   return listItem;
00284 }
00285 
00286 void KoOpenPane::selectionChanged(QListViewItem* item)
00287 {
00288   KoSectionListItem* section = dynamic_cast<KoSectionListItem*>(item);
00289 
00290   if(!item)
00291     return;
00292 
00293   m_headerLabel->setText(section->text(0));
00294   m_widgetStack->raiseWidget(section->widgetIndex());
00295 }
00296 
00297 void KoOpenPane::saveSplitterSizes(KoDetailsPaneBase* /*sender*/, const QValueList<int>& sizes)
00298 {
00299   KConfigGroup cfgGrp(d->m_instance->config(), "TemplateChooserDialog");
00300   cfgGrp.writeEntry("DetailsPaneSplitterSizes", sizes);
00301 }
00302 
00303 void KoOpenPane::itemClicked(QListViewItem* item)
00304 {
00305   KoSectionListItem* selectedItem = static_cast<KoSectionListItem*>(item);
00306 
00307   if(selectedItem) {
00308     m_widgetStack->widget(selectedItem->widgetIndex())->setFocus();
00309   }
00310 }
00311 
00312 #include "KoOpenPane.moc"
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