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/* This file is part of the KDE project
   Copyright (C) 2003 Lucijan Busch <[email protected]>
   Copyright (C) 2006 Jaroslaw Staniek <[email protected]>

   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 <tqwidget.h>
#include <tqvariant.h>
#include <tqdom.h>
#include <tqtextstream.h>

#include "form.h"
#include "container.h"
#include "objecttree.h"


using namespace KFormDesigner;

/////////////////////////////////////////////////////////////////////////////////////////
/////////////////        ObjectTreeItem                                    /////////////
////////////////////////////////////////////////////////////////////////////////////////


ObjectTreeItem::ObjectTreeItem(const TQString &classn, const TQString &name, TQWidget *widget,
 Container *tqparentContainer, Container *container)
 : m_enabled(true), m_row(-1), m_col(-1), m_rowspan(-1), m_colspan(-1), m_span(false)
{
	m_className = classn;
	m_name = name;
	m_widget = widget;
	m_container = container;
	m_eater = new EventEater(widget, tqparentContainer);
	m_parent = 0;
	m_subprops = 0;
}

ObjectTreeItem::~ObjectTreeItem()
{
//	kdDebug() << "ObjectTreeItem deleted: " << name() << endl;
	delete m_subprops;
}

void
ObjectTreeItem::rename(const TQString &name)
{
	m_name = name;
}

void
ObjectTreeItem::addChild(ObjectTreeItem *c)
{
	m_tqchildren.append(c);
	c->setParent(this);
}

void
ObjectTreeItem::removeChild(ObjectTreeItem *c)
{
	m_tqchildren.remove(c);
}

void
ObjectTreeItem::addModifiedProperty(const TQCString &property, const TQVariant &oldValue)
{
	if(property == "name")
		return;

	if(!m_props.tqcontains(property)) {
		m_props.insert(property, oldValue);
		kdDebug() << "ObjectTree::adModProperty(): Added this property in the list: " << property << " oldValue: " << oldValue << endl;
	}
}

void
ObjectTreeItem::addSubproperty(const TQCString &property, const TQVariant& value)
{
	if (!m_subprops)
		m_subprops = new TQMap<TQString, TQVariant>();
	if (!m_props.tqcontains(property))
		m_subprops->insert( property, value );
}

void
ObjectTreeItem::storeUnknownProperty(TQDomElement &el)
{
	if(!el.isNull()) {
		TQTextStream ts(m_unknownProps, IO_WriteOnly|IO_Append );
		el.save(ts, 0);
	}
}

void
ObjectTreeItem::setPixmapName(const TQCString &property, const TQString &name)
{
	m_pixmapNames[property] = name;
}

TQString
ObjectTreeItem::pixmapName(const TQCString &property)
{
	if(m_pixmapNames.tqcontains(property))
		return m_pixmapNames[property];
	return TQString();
}

void
ObjectTreeItem::setGridPos(int row, int col, int rowspan, int colspan)
{
	m_row = row;  m_col = col;
	m_rowspan = rowspan;
	m_colspan = colspan;
	if(colspan || rowspan)
		m_span = true;
	else
		m_span = false;
}

/////////////////////////////////////////////////////////////////////////////////////////
///                      ObjectTree                                             /////////
////////////////////////////////////////////////////////////////////////////////////////

ObjectTree::ObjectTree(const TQString &classn, const TQString &name, TQWidget *widget, Container *container)
 : ObjectTreeItem(classn, name, widget, container, container)
{
}

ObjectTree::~ObjectTree()
{
//	for(ObjectTreeItem *it = tqchildren()->first(); it; it = tqchildren()->next())
//		removeItem(it->name());
	while (tqchildren()->first()) {
		removeItem(tqchildren()->first());
	}
}

bool
ObjectTree::rename(const TQString &oldname, const TQString &newname)
{
	if(oldname == m_name)
	{
		ObjectTreeItem::rename(newname);
		return true;
	}

	ObjectTreeItem *it = lookup(oldname);
	if(!it)
		return false;

	it->rename(newname);
	m_treeDict.remove(oldname);
	m_treeDict.insert(newname, it);

	return true;
}

bool
ObjectTree::reparent(const TQString &name, const TQString &newtqparent)
{
	ObjectTreeItem *item = lookup(name);
	if(!item)   return false;
	ObjectTreeItem *tqparent = lookup(newtqparent);
	if(!tqparent)   return false;

	item->tqparent()->removeChild(item);
	tqparent->addChild(item);
	return true;
}

ObjectTreeItem*
ObjectTree::lookup(const TQString &name)
{
	if(name == this->name())
		return this;
	else
		return m_treeDict[name];
}

void
ObjectTree::addItem(ObjectTreeItem *tqparent, ObjectTreeItem *c)
{
	m_treeDict.insert(c->name(), c);

	if(!tqparent)
		tqparent = this;
	tqparent->addChild(c);
	m_container->form()->emitChildAdded(c);

	kdDebug() << "ObjectTree::addItem(): adding " << c->name() << " to " << tqparent->name() << endl;
}

void
ObjectTree::removeItem(const TQString &name)
{
	ObjectTreeItem *c = lookup(name);
	removeItem(c);
}

void
ObjectTree::removeItem(ObjectTreeItem *c)
{
	if (m_container && m_container->form())
		m_container->form()->emitChildRemoved(c);

	for(ObjectTreeItem *it = c->tqchildren()->first(); it; it = c->tqchildren()->next())
		removeItem(it->name());

	m_treeDict.remove(c->name());
	c->tqparent()->removeChild(c);
	delete c;
}

TQCString
ObjectTree::generateUniqueName(const TQCString &prefix, bool numberSuffixRequired)
{
	/* old way of naming widgets
	int appendix = m_names[c] + 1;
	TQString name(c);
	name.append(TQString::number(appendix));
	m_names[c] = appendix;*/
	if (!numberSuffixRequired && !lookup(prefix))
		return prefix;
	TQString name( prefix );
	int i = 2; //start from 2, i.e. we have: "widget", "widget2", etc.
	while(lookup(name + TQString::number(i)))
		i++;

	return (name + TQString::number(i)).latin1();
}