1 files changed, 372 insertions, 0 deletions
diff --git a/src/gui/itemselector.cpp b/src/gui/itemselector.cpp
new file mode 100644
index 0000000..f85756e
--- /dev/null
+++ b/src/gui/itemselector.cpp
@@ -0,0 +1,372 @@
+/***************************************************************************
+ *   Copyright (C) 2003,2005 by David Saxton                               *
+ *   [email protected]                                                    *
+ *                                                                         *
+ *   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"