Shamusworld >> Repos - architektonas/blob - src/actions/actiondrawpolyline.cpp

   1 // actiondrawpolyline.cpp
   2 //
   3 // Part of the Architektonas Project
   4 // by James L. Hammons
   5 // Copyright (C) 2010 Underground Software
   6 // See the README and GPLv2 files for licensing and warranty information
   7 //
   8 // JLH = James L. Hammons <jlhamm@acm.org>
   9 //
  10 // Who  When        What
  11 // ---  ----------  -----------------------------------------------------------
  12 // JLH  09/13/2010  Created this file. :-)
  13 //
  14
  15 #include "actiondrawpolyline.h"
  16
  17 #include "debug.h"
  18 #include "dialogfactory.h"
  19 #include "graphicview.h"
  20 #include "polyline.h"
  21
  22 ActionDrawPolyline::ActionDrawPolyline(EntityContainer & container,
  23         GraphicView & graphicView):
  24         ActionInterface("Draw polyline", container, graphicView)
  25 {
  26         vertex = Vector(false);
  27         polyline = NULL;
  28 }
  29
  30 ActionDrawPolyline::~ActionDrawPolyline()
  31 {
  32         if (polyline)
  33                 delete polyline;
  34 }
  35
  36 void ActionDrawPolyline::trigger()
  37 {
  38         if (polyline)
  39         {
  40                 container->addEntity(polyline);
  41 //              deleteSnapper();
  42
  43                 if (document)
  44                 {
  45                         document->startUndoCycle();
  46                         document->addUndoable(polyline);
  47                         document->endUndoCycle();
  48                 }
  49
  50                 DEBUG->print("ActionDrawPolyline::trigger(): polyline added: %d", polyline->getId());
  51                 polyline = NULL;
  52         }
  53 }
  54
  55 void ActionDrawPolyline::mouseMoveEvent(QMouseEvent * e)
  56 {
  57         if (vertex.valid && polyline)
  58         {
  59                 Vector v = snapPoint(e);
  60                 Entity * ent = polyline->addVertex(v);
  61                 ent->setLayerToActive();
  62                 ent->setPenToActive();
  63
  64 //              deleteSnapper();
  65 //              graphicView->drawEntity(ent);
  66 //              drawSnapper();
  67
  68                 vertex = v;
  69                 DEBUG->print("ActionDrawPolyline::mouseMoveEvent(): line added: %d", ent->getId());
  70         }
  71 }
  72
  73 void ActionDrawPolyline::mousePressEvent(QMouseEvent * e)
  74 {
  75         if (e->button() == Qt::LeftButton)
  76         {
  77                 vertex = snapPoint(e);
  78                 polyline = new Polyline(container, PolylineData(vertex, vertex, 0));
  79                 polyline->setLayerToActive();
  80                 polyline->setPenToActive();
  81         }
  82 }
  83
  84 void ActionDrawPolyline::mouseReleaseEvent(QMouseEvent * e)
  85 {
  86         if (e->button() == Qt::LeftButton)
  87         {
  88                 vertex = Vector(false);
  89                 trigger();
  90         }
  91         else if (e->button() == Qt::RightButton)
  92         {
  93                 if (polyline)
  94                 {
  95                         delete polyline;
  96                         polyline = NULL;
  97                 }
  98
  99 //              deleteSnapper();
 100                 init(getStatus() - 1);
 101                 graphicView->redraw();  //hm.
 102         }
 103 }
 104
 105 void ActionDrawPolyline::updateMouseButtonHints()
 106 {
 107         switch (getStatus())
 108         {
 109         case 0:
 110                 DIALOGFACTORY->updateMouseWidget(tr("Click and drag to draw a line"), tr("Cancel"));
 111                 break;
 112
 113         default:
 114                 DIALOGFACTORY->updateMouseWidget("", "");
 115                 break;
 116         }
 117 }
 118
 119 void ActionDrawPolyline::updateMouseCursor()
 120 {
 121         graphicView->setMouseCursor(RS2::CadCursor);
 122 }
 123
 124 void ActionDrawPolyline::updateToolBar()
 125 {
 126         if (!isFinished())
 127                 DIALOGFACTORY->requestToolBar(RS2::ToolBarSnap);
 128         else
 129                 DIALOGFACTORY->requestToolBar(RS2::ToolBarPolylines);
 130 }
 131
 132 void ActionDrawPolyline::close()
 133 {
 134 #if 0
 135 //NOTE: We should grey out the "close" button until the conditions for its use are satisfied.
 136 //      Though I can see how this would be called via cmd line... So I guess it's OK
 137         if (history.count() > 2 && start.valid)
 138         {
 139                 data.endpoint = start;
 140                 trigger();
 141                 setStatus(SetFirstPoint);
 142                 graphicView->moveRelativeZero(start);
 143         }
 144         else
 145                 DIALOGFACTORY->commandMessage(tr("Cannot close sequence of lines: Not enough entities defined yet."));
 146 #else
 147         DIALOGFACTORY->commandMessage(tr("Close functionality not defined yet..."));
 148 #endif
 149 }
 150
 151 void ActionDrawPolyline::undo()
 152 {
 153 #if 0
 154 //NOTE: We should grey out the "undo" button until the conditions for its use are satisfied.
 155         if (history.count() > 1)
 156         {
 157                 history.removeLast();
 158                 graphicView->setCurrentAction(new ActionEditUndo(true, *container, *graphicView));
 159                 data.startpoint = *history.last();
 160                 graphicView->moveRelativeZero(data.startpoint);
 161                 graphicView->preview.clear();
 162                 graphicView->redraw();
 163         }
 164         else
 165                 DIALOGFACTORY->commandMessage(tr("Cannot undo: Not enough entities defined yet."));
 166 #else
 167         DIALOGFACTORY->commandMessage(tr("Undo functionality not defined yet..."));
 168 #endif
 169 }