Shamusworld >> Repos - architektonas/blob - src/actions/actiondrawcircle2p.cpp

   1 // actiondrawcircle2p.cpp
   2 //
   3 // Part of the Architektonas Project
   4 // Originally part of QCad Community Edition by Andrew Mustun
   5 // Extensively rewritten and refactored by James L. Hammons
   6 // Portions copyright (C) 2001-2003 RibbonSoft
   7 // Copyright (C) 2010 Underground Software
   8 // See the README and GPLv2 files for licensing and warranty information
   9 //
  10 // JLH = James L. Hammons <jlhamm@acm.org>
  11 //
  12 // Who  When        What
  13 // ---  ----------  -----------------------------------------------------------
  14 // JLH  06/03/2010  Added this text. :-)
  15 // JLH  09/11/2010  Fixed preview/snapper rendering.
  16 //
  17
  18 #include "actiondrawcircle2p.h"
  19
  20 #include "commandevent.h"
  21 #include "dialogfactory.h"
  22 #include "graphicview.h"
  23 #include "preview.h"
  24
  25 ActionDrawCircle2P::ActionDrawCircle2P(EntityContainer & container,
  26         GraphicView & graphicView):
  27         ActionInterface("Draw circles", container, graphicView)
  28 {
  29         reset();
  30 }
  31
  32 ActionDrawCircle2P::~ActionDrawCircle2P()
  33 {
  34 }
  35
  36 void ActionDrawCircle2P::reset()
  37 {
  38         data.reset();
  39         point1 = Vector(false);
  40         point2 = Vector(false);
  41 }
  42
  43 void ActionDrawCircle2P::init(int status)
  44 {
  45         ActionInterface::init(status);
  46         reset();
  47 }
  48
  49 void ActionDrawCircle2P::trigger()
  50 {
  51         ActionInterface::trigger();
  52         preparePreview();
  53
  54         if (data.isValid())
  55         {
  56                 Circle * circle = new Circle(container, data);
  57                 circle->setLayerToActive();
  58                 circle->setPenToActive();
  59                 container->addEntity(circle);
  60
  61                 // upd. undo list:
  62                 if (document)
  63                 {
  64                         document->startUndoCycle();
  65                         document->addUndoable(circle);
  66                         document->endUndoCycle();
  67                 }
  68
  69 //              deleteSnapper();
  70 //              Vector rz = graphicView->getRelativeZero();
  71 //              graphicView->moveRelativeZero(Vector(0.0, 0.0));
  72 //              graphicView->drawEntity(circle);
  73 //              graphicView->moveRelativeZero(rz);
  74 //              drawSnapper();
  75                 graphicView->preview.clear();   // hm.
  76                 graphicView->redraw();
  77
  78                 setStatus(SetPoint1);
  79                 reset();
  80         }
  81         else if (DIALOGFACTORY)
  82                 DIALOGFACTORY->requestWarningDialog(tr("Invalid Circle data."));
  83 }
  84
  85 void ActionDrawCircle2P::preparePreview()
  86 {
  87         data.reset();
  88
  89         if (point1.valid && point2.valid)
  90         {
  91                 Circle circle(NULL, data);
  92                 bool success = circle.createFrom2P(point1, point2);
  93
  94                 if (success)
  95                         data = circle.getData();
  96         }
  97 }
  98
  99 void ActionDrawCircle2P::mouseMoveEvent(QMouseEvent * e)
 100 {
 101         Vector mouse = snapPoint(e);
 102
 103         switch (getStatus())
 104         {
 105         case SetPoint1:
 106                 point1 = mouse;
 107                 break;
 108
 109         case SetPoint2:
 110                 point2 = mouse;
 111                 preparePreview();
 112
 113                 if (data.isValid())
 114                 {
 115 //                      Circle * circle = new Circle(preview, data);
 116 //                      deletePreview();
 117 //                      clearPreview();
 118 //                      preview->addEntity(circle);
 119 //                      drawPreview();
 120                         graphicView->preview.clear();
 121                         graphicView->preview.addEntity(new Circle(&(graphicView->preview), data));
 122                 }
 123                 break;
 124
 125         default:
 126                 break;
 127         }
 128
 129         graphicView->redraw();
 130 }
 131
 132 void ActionDrawCircle2P::mouseReleaseEvent(QMouseEvent * e)
 133 {
 134         if (e->button() == Qt::LeftButton)
 135         {
 136                 Vector ce(snapPoint(e));
 137                 coordinateEvent(&ce);
 138         }
 139         else if (e->button() == Qt::RightButton)
 140         {
 141 //              deletePreview();
 142 //              deleteSnapper();
 143                 init(getStatus() - 1);
 144                 graphicView->redraw();
 145         }
 146 }
 147
 148 void ActionDrawCircle2P::coordinateEvent(Vector * e)
 149 {
 150         if (e == NULL)
 151                 return;
 152
 153         Vector mouse = *e;
 154
 155         switch (getStatus())
 156         {
 157         case SetPoint1:
 158                 point1 = mouse;
 159                 graphicView->moveRelativeZero(mouse);
 160                 setStatus(SetPoint2);
 161                 break;
 162
 163         case SetPoint2:
 164                 point2 = mouse;
 165                 graphicView->moveRelativeZero(mouse);
 166                 trigger();
 167                 break;
 168
 169         default:
 170                 break;
 171         }
 172 }
 173
 174 void ActionDrawCircle2P::commandEvent(CommandEvent * e)
 175 {
 176         QString c = e->getCommand().toLower();
 177
 178         if (checkCommand("help", c))
 179         {
 180                 if (DIALOGFACTORY != NULL)
 181                         DIALOGFACTORY->commandMessage(msgAvailableCommands()
 182                                 + getAvailableCommands().join(", "));
 183                 return;
 184         }
 185 }
 186
 187 QStringList ActionDrawCircle2P::getAvailableCommands()
 188 {
 189         QStringList cmd;
 190         return cmd;
 191 }
 192
 193 void ActionDrawCircle2P::updateMouseButtonHints()
 194 {
 195         if (DIALOGFACTORY != NULL)
 196         {
 197                 switch (getStatus())
 198                 {
 199                 case SetPoint1:
 200                         DIALOGFACTORY->updateMouseWidget(
 201                                 tr("Specify first point"), tr("Cancel"));
 202                         break;
 203
 204                 case SetPoint2:
 205                         DIALOGFACTORY->updateMouseWidget(
 206                                 tr("Specify second point"), tr("Back"));
 207                         break;
 208
 209                 default:
 210                         DIALOGFACTORY->updateMouseWidget("", "");
 211                         break;
 212                 }
 213         }
 214 }
 215
 216 void ActionDrawCircle2P::updateMouseCursor()
 217 {
 218         graphicView->setMouseCursor(RS2::CadCursor);
 219 }
 220
 221 void ActionDrawCircle2P::updateToolBar()
 222 {
 223         if (DIALOGFACTORY)
 224         {
 225                 if (!isFinished())
 226                         DIALOGFACTORY->requestToolBar(RS2::ToolBarSnap);
 227                 else
 228                         DIALOGFACTORY->requestToolBar(RS2::ToolBarCircles);
 229         }
 230 }