kuml-cvs

[Darius S. <dst...@us...>]

Update of /cvsroot/kuml/kuml/kuml_gui/src/ige/common/manipulators
In directory usw-pr-cvs1:/tmp/cvs-serv14936

Added Files:
	LineViewResizer.h LineViewResizer.cpp 
Log Message:
Added file

--- NEW FILE ---
/***************************************************************************
                    LineViewResizer.h  -  description
                             -------------------
    begin                : Tue July 24 2001
    copyright            : (C) 2001 by the kUML Team
    author               : Darius Stachow
    email                : sta...@in...
 ***************************************************************************/

/***************************************************************************
 *                                                                         *
 *   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.                                   *
 *                                                                         *
 ***************************************************************************/

#ifndef LINEVIEWRESIZER_H
#define LINEVIEWRESIZER_H
#include "ViewResizer.h"
class SelectionLayer;
class SelectionHandle;
class LineViewResizer : public ViewResizer {
public:    

    virtual ~LineViewResizer();    

    LineViewResizer(View * target);    

    virtual void createHandles(SelectionLayer *layer);	

    virtual void placeHandles();

protected:	
    enum Handles {	enumStartPoint = 1,
	                enumEndPoint = 2
                 };

    virtual void resizeTarget(SelectionHandle *handle, int diffx, int diffy);
};

#endif //LINEVIEWRESIZER_H

--- NEW FILE ---
/***************************************************************************
                    LineViewResizer.cpp  -  description
                             -------------------
    begin                : Tue July 24 2001
    copyright            : (C) 2001 by the kUML Team
    author               : Darius Stachow
    email                : sta...@in...
 ***************************************************************************/

/***************************************************************************
 *                                                                         *
 *   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 "LineViewResizer.h"
#include "ige/common/editors/SelectionLayer.h"
#include "ige/common/editors/Viewer.h"
#include "ige/common/views/LineView.h"

void LineViewResizer::placeHandles() {
	LineView *v = (LineView*)getTarget();
	CHECK_PTR(v);

	// Place first handle at the start of the line
	HandleVectorIter iter = getHandleIterator();
	SelectionHandle *handle = *iter;
    handle->setCenter(v->getStartPoint());

	// Place second handle at the end of the line
	++iter;
	handle = *iter;
    handle->setCenter(v->getEndPoint());
}
void LineViewResizer::createHandles(SelectionLayer *layer) {
	SelectionHandle *handle = 0;
	selectionLayer = layer;

	handle = new SelectionHandle(this, enumStartPoint);
    addHandle(handle);
	layer->addHandle(handle);

	handle = new SelectionHandle(this, enumEndPoint);
    addHandle(handle);
	layer->addHandle(handle);

	placeHandles();
}
void LineViewResizer::resizeTarget(SelectionHandle *handle, int diffx, int diffy) {
	QRect damagedArea = getTarget()->bounds();
	LineView *view = (LineView*)getTarget();

	QPoint newStart = view->getStartPoint();	
	QPoint newEnd = view->getEndPoint();	

	switch(handle->getId()) {
		case enumStartPoint:	newStart = newStart + QPoint(diffx, diffy);
											break;
		case enumEndPoint:	newEnd = newEnd + QPoint(diffx, diffy);
											break;
	}


	view->setStartPoint(newStart);
	view->setEndPoint(newEnd);

	damagedArea = damagedArea.unite(view->bounds());
	damagedArea = damagedArea.unite(this->bounds());

	placeHandles();
	
	view->getViewer()->refresh(damagedArea);	
 }
LineViewResizer::~LineViewResizer(){}
LineViewResizer::LineViewResizer(View * target) : ViewResizer(target) {
}