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378 lines
8.8 KiB
378 lines
8.8 KiB
/* This file is part of the KDE project
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Copyright (C) 2004 Cedric Pasteur <cedric.pasteur@free.fr>
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public
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License as published by the Free Software Foundation; either
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version 2 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public License
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along with this library; see the file COPYING.LIB. If not, write to
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the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#include <kdebug.h>
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#include <tqpainter.h>
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#include <kiconloader.h>
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#include <klocale.h>
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#include "objecttree.h"
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#include "form.h"
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#include "container.h"
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#include "formmanager.h"
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#include "widgetlibrary.h"
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#include "objecttreeview.h"
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using namespace KFormDesigner;
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ObjectTreeViewItem::ObjectTreeViewItem(ObjectTreeViewItem *parent, ObjectTreeItem *item)
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: KListViewItem(parent, item->name(), item->className())
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{
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m_item = item;
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}
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ObjectTreeViewItem::ObjectTreeViewItem(KListView *list, ObjectTreeItem *item)
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: KListViewItem(list, item ? item->name() : TQString(), item ? item->className() : TQString())
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{
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m_item = item;
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}
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ObjectTreeViewItem::~ObjectTreeViewItem()
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{
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}
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TQString
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ObjectTreeViewItem::name() const
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{
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if(m_item)
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return m_item->name();
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else
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return TQString();
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}
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void
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ObjectTreeViewItem::paintCell(TQPainter *p, const TQColorGroup & cg, int column, int width, int align)
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{
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int margin = listView()->itemMargin();
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if(column == 1)
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{
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if(!m_item)
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return;
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KListViewItem::paintCell(p, cg, column, width, align);
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}
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else
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{
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if(!m_item)
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return;
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p->fillRect(0,0,width, height(), TQBrush(backgroundColor()));
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if(isSelected())
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{
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p->fillRect(0,0,width, height(), TQBrush(cg.highlight()));
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p->setPen(cg.highlightedText());
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}
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TQFont f = listView()->font();
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p->save();
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if(isSelected())
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f.setBold(true);
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p->setFont(f);
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if(depth() == 0) // for edit tab order dialog
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{
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TQString iconName
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= ((ObjectTreeView*)listView())->iconNameForClass(m_item->widget()->className());
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p->drawPixmap(margin, (height() - IconSize(KIcon::Small))/2 , SmallIcon(iconName));
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p->drawText(
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TQRect(2*margin + IconSize(KIcon::Small),0,width, height()-1),
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TQt::AlignVCenter, m_item->name());
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}
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else
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p->drawText(TQRect(margin,0,width, height()-1), TQt::AlignVCenter, m_item->name());
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p->restore();
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p->setPen( TQColor(200,200,200) ); //like in t.v.
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p->drawLine(width-1, 0, width-1, height()-1);
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}
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p->setPen( TQColor(200,200,200) ); //like in t.v.
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p->drawLine(-150, height()-1, width, height()-1 );
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}
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void
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ObjectTreeViewItem::paintBranches(TQPainter *p, const TQColorGroup &cg, int w, int y, int h)
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{
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p->eraseRect(0,0,w,h);
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ObjectTreeViewItem *item = (ObjectTreeViewItem*)firstChild();
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if(!item || !item->m_item || !item->m_item->widget())
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return;
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p->save();
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p->translate(0,y);
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while(item)
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{
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p->fillRect(0,0,w, item->height(), TQBrush(item->backgroundColor()));
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p->fillRect(-150,0,150, item->height(), TQBrush(item->backgroundColor()));
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p->save();
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p->setPen( TQColor(200,200,200) ); //like in t.v.
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p->drawLine(-150, item->height()-1, w, item->height()-1 );
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p->restore();
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if(item->isSelected())
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{
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p->fillRect(0,0,w, item->height(), TQBrush(cg.highlight()));
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p->fillRect(-150,0,150, item->height(), TQBrush(cg.highlight()));
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}
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TQString iconName
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= ((ObjectTreeView*)listView())->iconNameForClass(item->m_item->widget()->className());
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p->drawPixmap(
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(w - IconSize(KIcon::Small))/2, (item->height() - IconSize(KIcon::Small))/2 ,
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SmallIcon(iconName));
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p->translate(0, item->totalHeight());
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item = (ObjectTreeViewItem*)item->nextSibling();
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}
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p->restore();
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}
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void
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ObjectTreeViewItem::setup()
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{
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KListViewItem::setup();
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if(!m_item)
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setHeight(0);
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}
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void
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ObjectTreeViewItem::setOpen( bool o )
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{
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//don't allow to collapse the node, user may be tricked because we're not displaying [+] marks
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if (o)
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KListViewItem::setOpen(o);
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}
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// ObjectTreeView itself ----------------
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ObjectTreeView::ObjectTreeView(TQWidget *parent, const char *name, bool tabStop)
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: KListView(parent, name)
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, m_form(0)
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{
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addColumn(i18n("Name"), 130);
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addColumn(i18n("Widget's type", "Type"), 100);
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installEventFilter(this);
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connect((TQObject*)header(), TQT_SIGNAL(sectionHandleDoubleClicked(int)), this, TQT_SLOT(slotColumnSizeChanged(int)));
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if(!tabStop)
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{
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setSelectionModeExt(Extended);
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connect(this, TQT_SIGNAL(selectionChanged()), this, TQT_SLOT(slotSelectionChanged()));
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connect(this, TQT_SIGNAL(contextMenu(KListView *, TQListViewItem *, const TQPoint&)), this, TQT_SLOT(displayContextMenu(KListView*, TQListViewItem*, const TQPoint&)));
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}
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setFullWidth(true);
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setAllColumnsShowFocus(true);
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setItemMargin(3);
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setSorting(-1);
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}
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ObjectTreeView::~ObjectTreeView()
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{
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}
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TQSize
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ObjectTreeView::sizeHint() const
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{
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return TQSize( TQFontMetrics(font()).width(columnText(0)+columnText(1)+" "),
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KListView::sizeHint().height());
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}
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TQString
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ObjectTreeView::iconNameForClass(const TQCString &classname)
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{
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return m_form->library()->iconName(classname);
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}
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void
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ObjectTreeView::slotColumnSizeChanged(int)
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{
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setColumnWidth(1, viewport()->width() - columnWidth(0));
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}
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void
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ObjectTreeView::displayContextMenu(KListView *list, TQListViewItem *item, const TQPoint &)
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{
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if(list != this || !m_form || !item)
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return;
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TQWidget *w = ((ObjectTreeViewItem*)item)->m_item->widget();
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if(!w)
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return;
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FormManager::self()->createContextMenu(w, m_form->activeContainer());
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}
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ObjectTreeViewItem*
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ObjectTreeView::findItem(const TQString &name)
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{
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TQListViewItemIterator it(this);
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while(it.current())
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{
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ObjectTreeViewItem *item = static_cast<ObjectTreeViewItem*>(it.current());
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if(item->name() == name)
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{
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return item;
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}
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it++;
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}
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return 0;
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}
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void
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ObjectTreeView::setSelectedWidget(TQWidget *w, bool add)
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{
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blockSignals(true); // to avoid recursion
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if(!w)
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{
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clearSelection();
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blockSignals(false);
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return;
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}
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if(selectedItems().count() == 0)
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add = false;
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if(!add)
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clearSelection();
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TQListViewItem *item = (TQListViewItem*) findItem(w->name());
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if(!add)
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{
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setCurrentItem(item);
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setSelectionAnchor(item);
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setSelected(item, true);
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}
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else
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setSelected(item, true);
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blockSignals(false);
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}
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void
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ObjectTreeView::slotSelectionChanged()
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{
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const bool hadFocus = hasFocus();
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TQPtrList<TQListViewItem> list = selectedItems();
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m_form->selectFormWidget();
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for(TQListViewItem *item = list.first(); item; item = list.next())
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{
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ObjectTreeViewItem *it = static_cast<ObjectTreeViewItem*>(item);
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TQWidget *w = it->objectTree()->widget();
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if(w && (m_form->selectedWidgets()->findRef(w) == -1))
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m_form->setSelectedWidget(w, true, true);
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}
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if (hadFocus)
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setFocus(); //restore focus
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}
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void
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ObjectTreeView::addItem(ObjectTreeItem *item)
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{
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ObjectTreeViewItem *parent=0;
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parent = findItem(item->parent()->name());
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if(!parent)
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return;
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loadTree(item, parent);
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}
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void
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ObjectTreeView::removeItem(ObjectTreeItem *item)
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{
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if(!item)
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return;
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ObjectTreeViewItem *it = findItem(item->name());
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delete it;
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}
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void
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ObjectTreeView::renameItem(const TQCString &oldname, const TQCString &newname)
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{
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if(findItem(newname))
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return;
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ObjectTreeViewItem *item = findItem(oldname);
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if(!item)
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return;
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item->setText(0, newname);
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}
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void
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ObjectTreeView::setForm(Form *form)
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{
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if (m_form)
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disconnect(m_form, TQT_SIGNAL(destroying()), this, TQT_SLOT(slotBeforeFormDestroyed()));
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m_form = form;
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m_topItem = 0;
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clear();
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if(!m_form)
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return;
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connect(m_form, TQT_SIGNAL(destroying()), this, TQT_SLOT(slotBeforeFormDestroyed()));
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// Creates the hidden top Item
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m_topItem = new ObjectTreeViewItem(this);
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m_topItem->setSelectable(false);
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m_topItem->setOpen(true);
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ObjectTree *tree = m_form->objectTree();
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loadTree(tree, m_topItem);
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if(!form->selectedWidgets()->isEmpty())
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setSelectedWidget(form->selectedWidgets()->first());
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else
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setSelectedWidget(form->widget());
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}
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void
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ObjectTreeView::slotBeforeFormDestroyed()
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{
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setForm(0);
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}
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ObjectTreeViewItem*
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ObjectTreeView::loadTree(ObjectTreeItem *item, ObjectTreeViewItem *parent)
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{
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if(!item)
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return 0;
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ObjectTreeViewItem *treeItem = new ObjectTreeViewItem(parent, item);
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treeItem->setOpen(true);
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// The item is inserted by default at the beginning, but we want it to be at the end, so we move it
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TQListViewItem *last = parent->firstChild();
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while(last->nextSibling())
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last = last->nextSibling();
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treeItem->moveItem(last);
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ObjectTreeList *list = item->tqchildren();
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for(ObjectTreeItem *it = list->first(); it; it = list->next())
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loadTree(it, treeItem);
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return treeItem;
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}
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#include "objecttreeview.moc"
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