diff options
Diffstat (limited to 'kexi/formeditor/objecttreeview.cpp')
-rw-r--r-- | kexi/formeditor/objecttreeview.cpp | 377 |
1 files changed, 377 insertions, 0 deletions
diff --git a/kexi/formeditor/objecttreeview.cpp b/kexi/formeditor/objecttreeview.cpp new file mode 100644 index 00000000..22ed6d7f --- /dev/null +++ b/kexi/formeditor/objecttreeview.cpp @@ -0,0 +1,377 @@ +/* This file is part of the KDE project + Copyright (C) 2004 Cedric Pasteur <cedric.pasteur@free.fr> + + This library is free software; you can redistribute it and/or + modify it under the terms of the GNU Library General Public + License as published by the Free Software Foundation; either + version 2 of the License, or (at your option) any later version. + + This library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public License + along with this library; see the file COPYING.LIB. If not, write to + the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, + * Boston, MA 02110-1301, USA. +*/ + +#include <kdebug.h> + +#include <qpainter.h> + +#include <kiconloader.h> +#include <klocale.h> + +#include "objecttree.h" +#include "form.h" +#include "container.h" +#include "formmanager.h" +#include "widgetlibrary.h" + +#include "objecttreeview.h" + +using namespace KFormDesigner; + +ObjectTreeViewItem::ObjectTreeViewItem(ObjectTreeViewItem *parent, ObjectTreeItem *item) + : KListViewItem(parent, item->name(), item->className()) +{ + m_item = item; +} + +ObjectTreeViewItem::ObjectTreeViewItem(KListView *list, ObjectTreeItem *item) + : KListViewItem(list, item ? item->name() : QString::null, item ? item->className() : QString::null) +{ + m_item = item; +} + +ObjectTreeViewItem::~ObjectTreeViewItem() +{ +} + +QString +ObjectTreeViewItem::name() const +{ + if(m_item) + return m_item->name(); + else + return QString::null; +} + +void +ObjectTreeViewItem::paintCell(QPainter *p, const QColorGroup & cg, int column, int width, int align) +{ + int margin = listView()->itemMargin(); + if(column == 1) + { + if(!m_item) + return; + KListViewItem::paintCell(p, cg, column, width, align); + } + else + { + if(!m_item) + return; + + p->fillRect(0,0,width, height(), QBrush(backgroundColor())); + + if(isSelected()) + { + p->fillRect(0,0,width, height(), QBrush(cg.highlight())); + p->setPen(cg.highlightedText()); + } + + QFont f = listView()->font(); + p->save(); + if(isSelected()) + f.setBold(true); + p->setFont(f); + if(depth() == 0) // for edit tab order dialog + { + QString iconName + = ((ObjectTreeView*)listView())->iconNameForClass(m_item->widget()->className()); + p->drawPixmap(margin, (height() - IconSize(KIcon::Small))/2 , SmallIcon(iconName)); + p->drawText( + QRect(2*margin + IconSize(KIcon::Small),0,width, height()-1), + Qt::AlignVCenter, m_item->name()); + } + else + p->drawText(QRect(margin,0,width, height()-1), Qt::AlignVCenter, m_item->name()); + p->restore(); + + p->setPen( QColor(200,200,200) ); //like in t.v. + p->drawLine(width-1, 0, width-1, height()-1); + } + + p->setPen( QColor(200,200,200) ); //like in t.v. + p->drawLine(-150, height()-1, width, height()-1 ); +} + +void +ObjectTreeViewItem::paintBranches(QPainter *p, const QColorGroup &cg, int w, int y, int h) +{ + p->eraseRect(0,0,w,h); + ObjectTreeViewItem *item = (ObjectTreeViewItem*)firstChild(); + if(!item || !item->m_item || !item->m_item->widget()) + return; + + p->save(); + p->translate(0,y); + while(item) + { + p->fillRect(0,0,w, item->height(), QBrush(item->backgroundColor())); + p->fillRect(-150,0,150, item->height(), QBrush(item->backgroundColor())); + p->save(); + p->setPen( QColor(200,200,200) ); //like in t.v. + p->drawLine(-150, item->height()-1, w, item->height()-1 ); + p->restore(); + + if(item->isSelected()) + { + p->fillRect(0,0,w, item->height(), QBrush(cg.highlight())); + p->fillRect(-150,0,150, item->height(), QBrush(cg.highlight())); + } + + QString iconName + = ((ObjectTreeView*)listView())->iconNameForClass(item->m_item->widget()->className()); + p->drawPixmap( + (w - IconSize(KIcon::Small))/2, (item->height() - IconSize(KIcon::Small))/2 , + SmallIcon(iconName)); + + p->translate(0, item->totalHeight()); + item = (ObjectTreeViewItem*)item->nextSibling(); + } + p->restore(); +} + +void +ObjectTreeViewItem::setup() +{ + KListViewItem::setup(); + if(!m_item) + setHeight(0); +} + +void +ObjectTreeViewItem::setOpen( bool o ) +{ + //don't allow to collapse the node, user may be tricked because we're not displaying [+] marks + if (o) + KListViewItem::setOpen(o); +} + +// ObjectTreeView itself ---------------- + +ObjectTreeView::ObjectTreeView(QWidget *parent, const char *name, bool tabStop) + : KListView(parent, name) + , m_form(0) +{ + addColumn(i18n("Name"), 130); + addColumn(i18n("Widget's type", "Type"), 100); + + installEventFilter(this); + + connect((QObject*)header(), SIGNAL(sectionHandleDoubleClicked(int)), this, SLOT(slotColumnSizeChanged(int))); + if(!tabStop) + { + setSelectionModeExt(Extended); + connect(this, SIGNAL(selectionChanged()), this, SLOT(slotSelectionChanged())); + connect(this, SIGNAL(contextMenu(KListView *, QListViewItem *, const QPoint&)), this, SLOT(displayContextMenu(KListView*, QListViewItem*, const QPoint&))); + } + + setFullWidth(true); + setAllColumnsShowFocus(true); + setItemMargin(3); + setSorting(-1); +} + +ObjectTreeView::~ObjectTreeView() +{ +} + +QSize +ObjectTreeView::sizeHint() const +{ + return QSize( QFontMetrics(font()).width(columnText(0)+columnText(1)+" "), + KListView::sizeHint().height()); +} + +QString +ObjectTreeView::iconNameForClass(const QCString &classname) +{ + return m_form->library()->iconName(classname); +} + +void +ObjectTreeView::slotColumnSizeChanged(int) +{ + setColumnWidth(1, viewport()->width() - columnWidth(0)); +} + +void +ObjectTreeView::displayContextMenu(KListView *list, QListViewItem *item, const QPoint &) +{ + if(list != this || !m_form || !item) + return; + + QWidget *w = ((ObjectTreeViewItem*)item)->m_item->widget(); + if(!w) + return; + + FormManager::self()->createContextMenu(w, m_form->activeContainer()); +} + +ObjectTreeViewItem* +ObjectTreeView::findItem(const QString &name) +{ + QListViewItemIterator it(this); + while(it.current()) + { + ObjectTreeViewItem *item = static_cast<ObjectTreeViewItem*>(it.current()); + if(item->name() == name) + { + return item; + } + it++; + } + return 0; +} + +void +ObjectTreeView::setSelectedWidget(QWidget *w, bool add) +{ + blockSignals(true); // to avoid recursion + + if(!w) + { + clearSelection(); + blockSignals(false); + return; + } + + if(selectedItems().count() == 0) + add = false; + + if(!add) + clearSelection(); + + + QListViewItem *item = (QListViewItem*) findItem(w->name()); + if(!add) + { + setCurrentItem(item); + setSelectionAnchor(item); + setSelected(item, true); + } + else + setSelected(item, true); + + blockSignals(false); +} + +void +ObjectTreeView::slotSelectionChanged() +{ + const bool hadFocus = hasFocus(); + QPtrList<QListViewItem> list = selectedItems(); + m_form->selectFormWidget(); + for(QListViewItem *item = list.first(); item; item = list.next()) + { + ObjectTreeViewItem *it = static_cast<ObjectTreeViewItem*>(item); + QWidget *w = it->objectTree()->widget(); + if(w && (m_form->selectedWidgets()->findRef(w) == -1)) + m_form->setSelectedWidget(w, true, true); + } + if (hadFocus) + setFocus(); //restore focus +} + +void +ObjectTreeView::addItem(ObjectTreeItem *item) +{ + ObjectTreeViewItem *parent=0; + + parent = findItem(item->parent()->name()); + if(!parent) + return; + + loadTree(item, parent); +} + +void +ObjectTreeView::removeItem(ObjectTreeItem *item) +{ + if(!item) + return; + ObjectTreeViewItem *it = findItem(item->name()); + delete it; +} + +void +ObjectTreeView::renameItem(const QCString &oldname, const QCString &newname) +{ + if(findItem(newname)) + return; + ObjectTreeViewItem *item = findItem(oldname); + if(!item) + return; + item->setText(0, newname); +} + +void +ObjectTreeView::setForm(Form *form) +{ + if (m_form) + disconnect(m_form, SIGNAL(destroying()), this, SLOT(slotBeforeFormDestroyed())); + m_form = form; + m_topItem = 0; + clear(); + + if(!m_form) + return; + + connect(m_form, SIGNAL(destroying()), this, SLOT(slotBeforeFormDestroyed())); + + // Creates the hidden top Item + m_topItem = new ObjectTreeViewItem(this); + m_topItem->setSelectable(false); + m_topItem->setOpen(true); + + ObjectTree *tree = m_form->objectTree(); + loadTree(tree, m_topItem); + + if(!form->selectedWidgets()->isEmpty()) + setSelectedWidget(form->selectedWidgets()->first()); + else + setSelectedWidget(form->widget()); +} + +void +ObjectTreeView::slotBeforeFormDestroyed() +{ + setForm(0); +} + +ObjectTreeViewItem* +ObjectTreeView::loadTree(ObjectTreeItem *item, ObjectTreeViewItem *parent) +{ + if(!item) + return 0; + ObjectTreeViewItem *treeItem = new ObjectTreeViewItem(parent, item); + treeItem->setOpen(true); + + // The item is inserted by default at the beginning, but we want it to be at the end, so we move it + QListViewItem *last = parent->firstChild(); + while(last->nextSibling()) + last = last->nextSibling(); + treeItem->moveItem(last); + + ObjectTreeList *list = item->children(); + for(ObjectTreeItem *it = list->first(); it; it = list->next()) + loadTree(it, treeItem); + + return treeItem; +} + +#include "objecttreeview.moc" |