#include "cv.h"
#include <qwmatrix.h>
#include <qevent.h>
#include <qpoint.h>
#include <qcanvas.h>
#include <qaction.h>
#include <qcursor.h>
#include <qpainter.h>
#include "mycanvas.h"
#include "canvbox.h"
#include "canvdefs.h"
#include "creportitem.h"
#include "clabel.h"
#include "cfield.h"
#include "cspecialfield.h"
#include "ccalcfield.h"
#include "cline.h"
#include "itemopts.h"
#include "mainform.h"

ReportCanvas::ReportCanvas( QCanvas * canvas, QWidget * parent, const char * name, WFlags f ) :
QCanvasView( canvas, parent, name, f ) {
	selectedItem = 0;
	moving = 0;
	resizing = 0;
}

void ReportCanvas::contentsMousePressEvent( QMouseEvent* e ) {
	QPoint p = inverseWorldMatrix().QWMatrix::map( e->pos() );
	QCanvasItemList l = canvas() ->collisions( p );
	//    QCanvasItemList::Iterator it=l.begin();
	//    QString str = QString("%1").arg((*it)->rtti());
	switch ( e->button() ) {
	case MidButton:
		for ( QCanvasItemList::Iterator it = l.begin(); it != l.end(); ++it ) {
			if ( ( *it ) ->rtti() > 2000 ) {
				( *it ) ->hide();
				( ( CanvasReportItem * ) ( *it ) ) ->section() ->items.remove( ( *it ) );
				delete ( *it );
				canvas() ->update();
				break;
			}
			if ( ( *it ) ->rtti() > 1800 ) {
				if ( ( *it ) ->rtti() == RttiDetail ) {
					CanvasDetail * det = ( CanvasDetail* ) ( *it );
					if ( det->props[ "Level" ].first.toInt() <
					        ( ( MyCanvas* ) ( canvas() ) ) ->templ->detailsCount - 1 )
						return ;
				}
				CanvasDetailHeader *header = 0;
				CanvasDetailFooter *footer = 0;
				( ( MyCanvas* ) ( canvas() ) ) ->templ->removeSection( ( CanvasBand * ) ( *it ),
				        &header, &footer );
				( *it ) ->hide();
				delete ( *it );
				if ( header ) {
					header->hide();
					delete header;
				}
				if ( footer ) {
					footer->hide();
					delete footer;
				}
				( ( MyCanvas* ) ( canvas() ) ) ->templ->arrangeSections();
				canvas() ->update();
				break;
			}
		}
		break;
	case RightButton:
		//display editor for report items or sections

		for ( QCanvasItemList::Iterator it = l.begin(); it != l.end(); ++it ) {
			if ( ( *it ) ->rtti() >= 1800 )  //for my own report items
			{
				CanvasBox * l = ( CanvasBox* ) ( *it );
				dlgItemOptions *dlgOpts = new dlgItemOptions( &( l->props ), this );
				dlgOpts->exec();
				delete dlgOpts;
				( *it ) ->hide();
				( *it ) ->show();
				if ( ( *it ) ->rtti() < 2000 )
					( ( MyCanvas * ) ( canvas() ) ) ->templ->arrangeSections();
				canvas() ->update();
				break;
			}
		}
		break;
	case LeftButton:
		if ( selectedItem ) {
			bool unused = true;
			for ( QCanvasItemList::Iterator it = l.begin(); it != l.end(); ++it ) {
				if ( ( ( *it ) ->rtti() > 1800 ) && ( ( ( *it ) ->rtti() < 2000 ) ) ) {
					selectedItem->setX( e->x() );
					selectedItem->setY( e->y() );
					selectedItem->setSection( ( CanvasBand * ) ( *it ) );
					selectedItem->updateGeomProps();
					selectedItem->show();
					( ( CanvasBand * ) ( *it ) ) ->items.append( selectedItem );
					unused = true;
				}
			}
			if ( !unused )
				delete selectedItem;
			selectedItem = 0;
			( ( fmMain * ) parent() ) ->reportAddNothing->toggle();
		} else {
			//allow user to move any item except for page rectangle
			for ( QCanvasItemList::Iterator it = l.begin(); it != l.end(); ++it ) {
				if ( ( *it ) ->rtti() > 2001 ) {
					CanvasReportItem * item = ( CanvasReportItem * ) ( *it );
					/*			    if (item->topLeftResizableRect().contains(e->pos()) ||
									item->bottomLeftResizableRect().contains(e->pos()) ||
									item->topRightResizableRect().contains(e->pos()) ||
									item->bottomRightResizableRect().contains(e->pos()))*/
					if ( item->bottomRightResizableRect().contains( e->pos() ) ) {
						moving = 0;
						resizing = item;
						moving_start = p;
						return ;
					} else {
						moving = item;
						resizing = 0;
						moving_start = p;
						return ;
					}
				}
			}
			moving = 0;
			resizing = 0;
			break;
		}
	}
}

void ReportCanvas::contentsMouseMoveEvent( QMouseEvent* e ) {
	QPoint p = inverseWorldMatrix().map( e->pos() );

	/*    QCanvasItemList l=canvas()->collisions(p);
	  setCursor(QCursor(Qt::ArrowCursor));
	    unsetCursor();
	    for (QCanvasItemList::Iterator it=l.begin(); it!=l.end(); ++it)
	    { 
		if ((*it)->rtti() > 2000)
		{
		    CanvasReportItem *item = (CanvasReportItem*)(*it);
		    if (item->bottomRightResizableRect().contains(e->pos()))
			setCursor(QCursor(Qt::SizeFDiagCursor));
		}
	    }*/

	if ( moving ) {
		moving->moveBy( p.x() - moving_start.x(),
		                p.y() - moving_start.y() );
		/*	attempt to prevent item collisions
		        QCanvasItemList l=canvas()->collisions(moving->rect());
			if (l.count() > 2)
			{
			    moving->moveBy(-(p.x() - moving_start.x()),
					   -(p.y() - moving_start.y()));
			    canvas()->update();
			    return;
			}*/
		moving_start = p;
		moving->updateGeomProps();
		canvas() ->update();
	}
	if ( resizing ) {
		QCanvasRectangle * r = ( QCanvasRectangle * ) resizing;
		int w = r->width() + p.x() - moving_start.x();
		int h = r->height() + p.y() - moving_start.y();
		if ( ( w > 10 ) && ( h > 10 ) )
			r->setSize( w, h );
		moving_start = p;
		resizing->updateGeomProps();
		canvas() ->update();
	}
}