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Viewing changes to src/tb/pastecelltextscmd.c

  • Committer: Bazaar Package Importer
  • Author(s): Otavio Salvador
  • Date: 2003-07-03 20:08:21 UTC
  • Revision ID: james.westby@ubuntu.com-20030703200821-se4xtqx25e5miczi
Tags: upstream-2.20
Import upstream version 2.20

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src/tb/pastecelltextscmd.c
 
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////////////////////////////////////////////////////////////////////////////////
 
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//
 
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// This file is part of Toolkit for Conceptual Modeling (TCM).
 
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// (c) copyright 1996, Vrije Universiteit Amsterdam.
 
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// Author: Frank Dehne (frank@cs.vu.nl).
 
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//
 
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// TCM is free software; you can redistribute it and/or modify
 
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// it under the terms of the GNU General Public License as published by
 
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// the Free Software Foundation; either version 2 of the License, or 
 
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// (at your option) any later version.
 
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//
 
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// TCM is distributed in the hope that it will be useful,
 
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
 
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 
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// GNU General Public License for more details.
 
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//
 
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// You should have received a copy of the GNU General Public License
 
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// along with TCM; if not, write to the Free Software
 
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// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
 
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// 02111-1307, USA.
 
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////////////////////////////////////////////////////////////////////////////////
 
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#include "tableviewer.h"
 
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#include "table.h"
 
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#include "cell.h"
 
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#include "celltext.h"
 
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#include "cellrow.h"
 
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#include "celltextbuffer.h"
 
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#include "grafport.h"
 
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#include "pastecelltextscmd.h"
 
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const int PasteCellTextsCmd::MIN_BOX_SIZE = 10;
 
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PasteCellTextsCmd::PasteCellTextsCmd(Table *t, TableViewer *v): Command(t, v) {
 
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        tviewer = v;
 
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        buffer = v->GetBuffer();
 
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        pastedCells = new List<Cell *>;
 
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        oldStrings = new List<string *>;
 
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        cellTexts = 0;
 
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        if (buffer->IsEmpty()) {
 
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                GetMainWindow()->SetStatus("aborted: empty paste buffer");
 
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                return;
 
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        }
 
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        cellTexts = buffer->GetTexts();
 
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        MakeBox();
 
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}
 
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PasteCellTextsCmd::~PasteCellTextsCmd() {
 
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        if (cellTexts)
 
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                cellTexts->clear();
 
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        oldStrings->clear();
 
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        delete pastedCells;
 
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        delete cellTexts;
 
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        delete oldStrings;
 
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}
 
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void PasteCellTextsCmd::MakeBox() {
 
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        Point bottomRight;
 
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        topLeft = buffer->GetTopLeft();
 
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        bottomRight = buffer->GetBottomRight();
 
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        width = bottomRight.x - topLeft.x;
 
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        width = max(width, MIN_BOX_SIZE);
 
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        height = bottomRight.y - topLeft.y;
 
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        height = max(height, MIN_BOX_SIZE);
 
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        tviewer->SetPasting(True);
 
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        Point pt = Scale(&topLeft);
 
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        // Start mouse operation
 
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        TrackMouse(TRACK_PRESS, &pt, &pt, &pt);
 
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}
 
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void PasteCellTextsCmd::Execute() {
 
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        Point p = topLeft + delta;
 
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        Cell *topLeftCell = tviewer->HitCell(p.x, p.y);
 
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        if (!topLeftCell) {
 
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                GetMainWindow()->SetStatus(
 
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                        "aborted: topleft of the box is out of the table");
 
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                Command::Abort();
 
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                return;
 
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        }
 
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        Point tl1 = Point(topLeftCell->GetRow()->GetNumber(), 
 
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                          topLeftCell->GetColumn()->GetNumber());
 
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        List<Point *> *rcPositions = buffer->GetPositions();
 
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        for (unsigned i=0; i<cellTexts->count(); i++) {
 
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                CellRow *row;
 
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                Cell *cell;
 
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                CellText *t = (*cellTexts)[i];
 
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                Point pt = *(*rcPositions)[i];
 
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                pt = pt - buffer->GetRcTopLeft();
 
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                pt = pt + tl1;
 
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                if ((row = tviewer->GiveRow(pt.x))) {
 
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                        if ((cell = row->NthCell(pt.y))) {
 
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                                string oldText = *cell->GetText();
 
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                                pastedCells->add(cell);
 
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                                oldStrings->add(new string (oldText));
 
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                                // also Check texts.
 
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                                if (!((Table *)GetDocument())->UpdateText(
 
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                                                cell, t->GetText())) {
 
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                                        cell->UpdateText(&oldText);
 
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                                        GetMainWindow()->SetStatus(
 
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                                                "aborted: cannot paste text "
 
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                                                "in this cell");
 
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                                        return;
 
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                                }
 
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                                if (tviewer->IsAutoResize())
 
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                                        tviewer->RecomputeSizeCell(cell);
 
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                        }
 
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                }
 
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        } 
 
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        Command::Execute();
 
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        GetMainWindow()->FitDocument();
 
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}
 
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void PasteCellTextsCmd::UnExecute() {
 
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        if (pastedCells->first() && oldStrings->first()) {
 
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                do {
 
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                        pastedCells->cur()->UpdateText(oldStrings->cur());
 
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                        if (tviewer->IsAutoResize())
 
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                                tviewer->RecomputeSizeCell(pastedCells->cur());
 
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                } while (pastedCells->next() && oldStrings->next());
 
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        }
 
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        Command::UnExecute();
 
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}
 
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void PasteCellTextsCmd::Abort() {
 
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        DrawOutLine(&delta);
 
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        tviewer->SetPasting(False);
 
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        Command::Abort();
 
127
}
 
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void PasteCellTextsCmd::TrackMouse(TrackType aPhase, Point *anchorPoint,
 
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        Point*, Point *nextPoint) {
 
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        switch(aPhase) {
 
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                case TRACK_PRESS:
 
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                        GetMainWindow()->SetCursor(MouseCursor::FLEUR);
 
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                        // draw
 
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                        delta = *nextPoint - *anchorPoint;
 
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                        DrawOutLine(&delta);
 
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                        // save
 
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                        anchor = *anchorPoint;
 
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                        break;
 
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                case TRACK_DRAG:
 
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                        // erase
 
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                        DrawOutLine(&delta);
 
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                        // draw
 
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                        delta = *nextPoint - anchor;
 
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                        DrawOutLine(&delta);
 
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                        break;
 
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                case TRACK_UP:
 
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                        GetMainWindow()->SetCursor(MouseCursor::LEFT_PTR);
 
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                        // erase
 
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                        DrawOutLine(&delta);
 
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                        delta = ScaleCorrect(&delta);
 
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                        MoveCellTexts(&delta);
 
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                        tviewer->SetPasting(False);
 
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                        tviewer->ExecuteCommand();
 
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                        break;
 
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                default:
 
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                        error("unknown track type\n");
 
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                        break;
 
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        }
 
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}
 
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void PasteCellTextsCmd::MoveCellTexts(const Point *d) {
 
163
        for (cellTexts->first(); !cellTexts->done(); cellTexts->next()) {
 
164
                CellText *t = cellTexts->cur();
 
165
                Point newPos = *t->GetPosition() + *d;
 
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                t->SetPosition(&newPos);
 
167
        }
 
168
}
 
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void PasteCellTextsCmd::DrawOutLine(const Point *d) {
 
171
        Point p1 = topLeft;
 
172
        Point p2 = ScaleCorrect(d);
 
173
        Point pt = p1 + p2;
 
174
        GetGrafport()->SetLineWidth(1);
 
175
        GetGrafport()->SetLineStyle(LineStyle::DOTTED);
 
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        GetGrafport()->DrawRectangle(pt.x, pt.y, width, height);
 
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}