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////////////////////////////////////////////////////////////////////////////////
//
// This file is part of Toolkit for Conceptual Modeling (TCM).
// (c) copyright 1996, Vrije Universiteit Amsterdam.
// Author: Frank Dehne (frank@cs.vu.nl).
//
// TCM 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.
//
// TCM 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 General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with TCM; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
// 02111-1307, USA.
////////////////////////////////////////////////////////////////////////////////
#include "tableviewer.h"
#include "table.h"
#include "cellcolumn.h"
#include "grafport.h"
#include "dragcolumncmd.h"
DragColumnCmd::DragColumnCmd(Table *t, TableViewer *v, LinePiece *l):
DragCmd(t, v) {
GetMainWindow()->SetCursor(MouseCursor::H_DOUBLE_ARROW);
SetOldPosition(l->GetBegin());
// find the column to be resized.
Point tmp = *GetOldPosition();
int f = v->HitColumn(tmp.x-1, tmp.y+1);
if (f >= 0)
column = v->GiveColumn(f);
else {
column = 0;
return;
}
if (!check(column))
return;
oldSize = column->GetWidth();
}
void DragColumnCmd::Execute() {
if (column) {
int newSize = oldSize + GetDelta()->x;
GetTableViewer()->ResizeColumn(column, newSize);
DragCmd::Execute();
}
else {
GetMainWindow()->SetStatus("aborted: drag column");
Abort();
}
}
void DragColumnCmd::UnExecute() {
if (check(column)) {
GetTableViewer()->ResizeColumn(column, oldSize);
DragCmd::UnExecute();
}
else
GetMainWindow()->SetStatus("aborted: undo drag column");
}
void DragColumnCmd::DrawOutLine(const Point *d) {
Point pt1 = ScaleCorrect(d);
Point pt2 = *GetOldPosition() + pt1;
Point pt3 = pt2;
pt2.y = GetTableViewer()->GetTopLeft()->y;
pt3.y = GetTableViewer()->GetTopLeft()->y +
GetTableViewer()->GetHeight();
GetGrafport()->SetLineWidth(1);
GetGrafport()->SetLineStyle(LineStyle::DOTTED);
GetGrafport()->DrawLine(pt2.x, pt2.y, pt3.x, pt3.y);
}
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