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-rw-r--r--src/gui/itemselector.cpp372
1 files changed, 372 insertions, 0 deletions
diff --git a/src/gui/itemselector.cpp b/src/gui/itemselector.cpp
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--- /dev/null
+++ b/src/gui/itemselector.cpp
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+/***************************************************************************
+ * Copyright (C) 2003,2005 by David Saxton *
+ * david@bluehaze.org *
+ * *
+ * This program is free software; you can redistribute it and/or modify *
+ * it under the terms of the GNU General Public License as published by *
+ * the Free Software Foundation; either version 2 of the License, or *
+ * (at your option) any later version. *
+ ***************************************************************************/
+
+#include <vector> // Temporay fix for pthread.h problem
+#include "circuitdocument.h"
+#include "docmanager.h"
+#include "flowcodedocument.h"
+#include "itemdocument.h"
+#include "itemlibrary.h"
+#include "itemselector.h"
+#include "libraryitem.h"
+#include "mechanicsdocument.h"
+
+#include <kapplication.h>
+#include <kconfig.h>
+#include <kdebug.h>
+#include <klocale.h>
+
+#include <qdragobject.h>
+#include <qlayout.h>
+#include <qpopupmenu.h>
+#include <qwhatsthis.h>
+
+#include <assert.h>
+
+ILVItem::ILVItem( QListView* parent, const QString &id )
+ : KListViewItem( parent, 0 )
+{
+ m_id = id;
+ b_isRemovable = false;
+ m_pProjectItem = 0l;
+}
+
+ILVItem::ILVItem( QListViewItem* parent, const QString &id )
+ : KListViewItem( parent, 0 )
+{
+ m_id = id;
+ b_isRemovable = false;
+ m_pProjectItem = 0l;
+}
+
+
+ItemSelector::ItemSelector( QWidget *parent, const char *name )
+ : KListView( parent, name )
+{
+ addColumn( i18n( "Component" ) );
+ setFullWidth(true);
+ setSorting( -1, FALSE );
+ setRootIsDecorated(true);
+ setDragEnabled(true);
+
+// connect( this, SIGNAL(executed(QListViewItem*) ), this, SLOT(slotItemExecuted(QListViewItem*)) );
+ connect( this, SIGNAL(clicked(QListViewItem*)), this, SLOT(slotItemClicked(QListViewItem*)) );
+ connect( this, SIGNAL(doubleClicked(QListViewItem*)), this, SLOT(slotItemDoubleClicked(QListViewItem*)) );
+ connect( this, SIGNAL(contextMenuRequested(QListViewItem*, const QPoint&, int )), this, SLOT(slotContextMenuRequested(QListViewItem*, const QPoint&, int )) );
+}
+
+ItemSelector::~ItemSelector()
+{
+ writeOpenStates();
+}
+
+
+void ItemSelector::clear()
+{
+ m_categories.clear();
+ KListView::clear();
+}
+
+
+void ItemSelector::addItem( const QString & caption, const QString & id, const QString & _category, const QPixmap & icon, bool removable )
+{
+ ILVItem *parentItem = 0L;
+
+ QString category = _category;
+ if ( !category.startsWith("/") ) {
+ category.prepend('/');
+ }
+
+ do
+ {
+ category.remove(0,1);
+ QString cat;
+ category.replace( "\\/", "|" );
+ int pos = category.find('/');
+ if ( pos == -1 ) cat = category;
+ else cat = category.left( pos );
+
+ cat.replace( "|", "/" );
+
+ if ( m_categories.findIndex(cat) == -1 )
+ {
+ m_categories.append(cat);
+
+ if (parentItem) {
+ parentItem = new ILVItem( parentItem, "" );
+ }
+ else {
+ parentItem = new ILVItem( this, "" );
+ }
+ parentItem->setOpen( readOpenState(cat) );
+
+ parentItem->setExpandable(true);
+ parentItem->setText( 0, cat );
+ }
+ else
+ {
+ parentItem = (ILVItem*)findItem( cat, 0 );
+ }
+
+ category.remove( 0, pos );
+ } while ( category.contains('/') );
+
+ if ( !parentItem )
+ {
+ kdError() << "Unexpected error in finding parent item for category list"<<endl;
+ return;
+ }
+
+ ILVItem *item = new ILVItem( parentItem, id );
+ item->setPixmap( 0, icon );
+ item->setText( 0, caption );
+ item->setRemovable(removable);
+}
+
+
+void ItemSelector::writeOpenStates()
+{
+ KConfig *config = kapp->config();
+ config->setGroup( name() );
+
+ const QStringList::iterator end = m_categories.end();
+ for ( QStringList::iterator it = m_categories.begin(); it != end; ++it )
+ {
+ QListViewItem *item = findItem( *it, 0 );
+ if (item) {
+ config->writeEntry( *it+"IsOpen", item->isOpen() );
+ }
+ }
+}
+
+
+bool ItemSelector::readOpenState( const QString &id )
+{
+ KConfig *config = kapp->config();
+ config->setGroup( name() );
+
+ return config->readBoolEntry( id+"IsOpen", true );
+}
+
+
+void ItemSelector::slotContextMenuRequested( QListViewItem* item, const QPoint& pos, int /*col*/ )
+{
+ if ( !item || !(static_cast<ILVItem*>(item))->isRemovable() ) {
+ return;
+ }
+
+ QPopupMenu *menu = new QPopupMenu(this);
+ menu->insertItem( i18n("Remove %1").arg(item->text(0)), this, SLOT(slotRemoveSelectedItem()), Qt::Key_Delete );
+ menu->popup(pos);
+}
+
+
+void ItemSelector::slotRemoveSelectedItem()
+{
+ ILVItem *item = dynamic_cast<ILVItem*>(selectedItem());
+ if (!item)
+ return;
+
+ emit itemRemoved( item->key( 0, 0 ) );
+ ILVItem *parent = dynamic_cast<ILVItem*>(item->QListViewItem::parent());
+ delete item;
+ // Get rid of the category as well if it has no children
+ if ( parent && !parent->firstChild() )
+ {
+ m_categories.remove(parent->text(0));
+ delete parent;
+ }
+}
+
+
+void ItemSelector::setListCaption( const QString &caption )
+{
+ setColumnText( 0, caption );
+}
+
+
+
+void ItemSelector::slotItemClicked( QListViewItem *item )
+{
+ if (!item)
+ return;
+
+ if ( ItemDocument * itemDocument = dynamic_cast<ItemDocument*>(DocManager::self()->getFocusedDocument()) )
+ itemDocument->slotUnsetRepeatedItemId();
+
+ emit itemClicked( item->key( 0, 0 ) );
+}
+
+
+void ItemSelector::slotItemDoubleClicked( QListViewItem *item )
+{
+ if (!item)
+ return;
+
+ QString id = item->key( 0, 0 );
+
+ if ( Document * doc = DocManager::self()->getFocusedDocument() )
+ {
+ if ( doc->type() == Document::dt_flowcode && id.startsWith("flow/") )
+ (static_cast<FlowCodeDocument*>(doc))->slotSetRepeatedItemId(id);
+
+ else if ( doc->type() == Document::dt_circuit && (id.startsWith("ec/") || id.startsWith("sc/")) )
+ (static_cast<CircuitDocument*>(doc))->slotSetRepeatedItemId(id);
+
+ else if ( doc->type() == Document::dt_mechanics && id.startsWith("mech/") )
+ (static_cast<MechanicsDocument*>(doc))->slotSetRepeatedItemId(id);
+ }
+
+ emit itemDoubleClicked(id);
+}
+
+
+QDragObject* ItemSelector::dragObject()
+{
+ const QString id = currentItem()->key(0,0);
+
+ QStoredDrag * d = 0l;
+
+ if ( id.startsWith("flow/") )
+ d = new QStoredDrag( "ktechlab/flowpart", this );
+
+ else if ( id.startsWith("ec/") )
+ d = new QStoredDrag( "ktechlab/component", this );
+
+ else if ( id.startsWith("sc/") )
+ d = new QStoredDrag( "ktechlab/subcircuit", this );
+
+ else if ( id.startsWith("mech/") )
+ d = new QStoredDrag( "ktechlab/mechanical", this );
+
+ if (d)
+ {
+ QByteArray data;
+ QDataStream stream( data, IO_WriteOnly );
+ stream << id;
+ d->setEncodedData(data);
+ }
+
+ // A pixmap cursor is often hard to make out
+// QPixmap *pixmap = const_cast<QPixmap*>(currentItem()->pixmap(0));
+// if (pixmap) d->setPixmap(*pixmap);
+
+ return d;
+}
+
+
+
+//BEGIN class ComponentSelector
+ComponentSelector * ComponentSelector::m_pSelf = 0l;
+
+
+ComponentSelector * ComponentSelector::self( KateMDI::ToolView * parent )
+{
+ if (!m_pSelf)
+ {
+ assert(parent);
+ m_pSelf = new ComponentSelector(parent);
+ }
+ return m_pSelf;
+}
+
+
+ComponentSelector::ComponentSelector( KateMDI::ToolView * parent )
+ : ItemSelector( (QWidget*)parent, "Component Selector" )
+{
+ QWhatsThis::add( this, i18n(
+ "Add components to the circuit diagram by dragging them into the circuit.<br><br>"
+
+ "To add more than one component of the same type, doubleclick on a component, and click repeatedly in the circuit to place the component. Right click to stop placement.<br><br>"
+
+ "Some components (such as subcircuits) can be removed by right clicking on the item and selecting \"Remove\"."
+ ) );
+
+ setListCaption( i18n("Component") );
+
+ LibraryItemList *items = itemLibrary()->items();
+ const LibraryItemList::iterator end = items->end();
+ for ( LibraryItemList::iterator it = items->begin(); it != end; ++it )
+ {
+ if ( (*it)->type() == LibraryItem::lit_component )
+ addItem( (*it)->name(), (*it)->activeID(), (*it)->category(), (*it)->icon16() );
+ }
+}
+//END class ComponentSelector
+
+
+
+//BEGIN class FlowPartSelector
+FlowPartSelector * FlowPartSelector::m_pSelf = 0l;
+
+
+FlowPartSelector * FlowPartSelector::self( KateMDI::ToolView * parent )
+{
+ if (!m_pSelf)
+ {
+ assert(parent);
+ m_pSelf = new FlowPartSelector(parent);
+ }
+ return m_pSelf;
+}
+
+
+FlowPartSelector::FlowPartSelector( KateMDI::ToolView * parent )
+ : ItemSelector( (QWidget*)parent, "Part Selector" )
+{
+ QWhatsThis::add( this, i18n("Add FlowPart to the FlowCode document by dragging them there.<br><br>To add more than one FlowPart of the same type, doubleclick on a FlowPart, and click repeatedly in the FlowChart to place the component. Right click to stop placement.") );
+
+ setListCaption( i18n("Flow Part") );
+
+ LibraryItemList *items = itemLibrary()->items();
+ const LibraryItemList::iterator end = items->end();
+ for ( LibraryItemList::iterator it = items->begin(); it != end; ++it )
+ {
+ if ( (*it)->type() == LibraryItem::lit_flowpart )
+ addItem( (*it)->name(), (*it)->activeID(), (*it)->category(), (*it)->icon16() );
+ }
+}
+//END class FlowPartSelector
+
+
+//BEGIN class MechanicsSelector
+MechanicsSelector * MechanicsSelector::m_pSelf = 0l;
+
+
+MechanicsSelector * MechanicsSelector::self( KateMDI::ToolView * parent )
+{
+ if (!m_pSelf)
+ {
+ assert(parent);
+ m_pSelf = new MechanicsSelector( (QWidget*)parent );
+ }
+ return m_pSelf;
+}
+
+
+MechanicsSelector::MechanicsSelector( QWidget *parent )
+ : ItemSelector( (QWidget*)parent, "Mechanics Selector" )
+{
+ QWhatsThis::add( this, i18n("Add mechanical parts to the mechanics work area by dragging them there.") );
+
+ LibraryItemList *items = itemLibrary()->items();
+ const LibraryItemList::iterator end = items->end();
+ for ( LibraryItemList::iterator it = items->begin(); it != end; ++it )
+ {
+ if ( (*it)->type() == LibraryItem::lit_mechanical )
+ {
+ addItem( (*it)->name(), (*it)->activeID(), (*it)->category(), (*it)->icon16() );
+ }
+ }
+}
+//END class MechanicsSelector
+
+
+#include "itemselector.moc"
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