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

   1 // actiondrawcirclecr.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 "actiondrawcirclecr.h"
  19
  20 #include "commandevent.h"
  21 #include "debug.h"
  22 #include "dialogfactory.h"
  23 #include "graphicview.h"
  24 #include "preview.h"
  25
  26 /**
  27  * Constructor.
  28  */
  29 ActionDrawCircleCR::ActionDrawCircleCR(EntityContainer & container,
  30         GraphicView & graphicView):
  31         ActionInterface("Draw circles CR", container, graphicView)
  32 {
  33         reset();
  34 }
  35
  36 ActionDrawCircleCR::~ActionDrawCircleCR()
  37 {
  38 }
  39
  40 /*virtual*/ RS2::ActionType ActionDrawCircleCR::rtti()
  41 {
  42         return RS2::ActionDrawCircleCR;
  43 }
  44
  45 void ActionDrawCircleCR::reset()
  46 {
  47         data = CircleData(Vector(false), 0.0);
  48 }
  49
  50 void ActionDrawCircleCR::init(int status)
  51 {
  52         ActionInterface::init(status);
  53 }
  54
  55 void ActionDrawCircleCR::trigger()
  56 {
  57         ActionInterface::trigger();
  58
  59         Circle * circle = new Circle(container, data);
  60         circle->setLayerToActive();
  61         circle->setPenToActive();
  62         container->addEntity(circle);
  63
  64         // upd. undo list:
  65         if (document)
  66         {
  67                 document->startUndoCycle();
  68                 document->addUndoable(circle);
  69                 document->endUndoCycle();
  70         }
  71
  72 //      deleteSnapper();
  73 //      Vector rz = graphicView->getRelativeZero();
  74 //      graphicView->moveRelativeZero(Vector(0.0, 0.0));
  75 //      graphicView->drawEntity(circle);
  76 //      graphicView->moveRelativeZero(circle->getCenter());
  77 //      drawSnapper();
  78         graphicView->preview.clear();   // hm.
  79         graphicView->redraw();
  80
  81         setStatus(SetCenter);
  82
  83         DEBUG->print("ActionDrawCircleCR::trigger(): circle added: %d", circle->getId());
  84 }
  85
  86 void ActionDrawCircleCR::mouseMoveEvent(QMouseEvent * e)
  87 {
  88         DEBUG->print("ActionDrawCircleCR::mouseMoveEvent begin");
  89         Vector mouse = snapPoint(e);
  90
  91         switch (getStatus())
  92         {
  93         case SetCenter:
  94                 data.center = mouse;
  95 //              deletePreview();
  96 //              clearPreview();
  97 //              preview->addEntity(new Circle(preview, data));
  98 //              drawPreview();
  99                 graphicView->preview.clear();
 100                 graphicView->preview.addEntity(new Circle(&(graphicView->preview), data));
 101                 break;
 102         }
 103
 104         graphicView->redraw();
 105         DEBUG->print("ActionDrawCircleCR::mouseMoveEvent end");
 106 }
 107
 108 void ActionDrawCircleCR::mouseReleaseEvent(QMouseEvent * e)
 109 {
 110         if (e->button() == Qt::LeftButton)
 111         {
 112                 Vector ce(snapPoint(e));
 113                 coordinateEvent(&ce);
 114         }
 115         else if (e->button() == Qt::RightButton)
 116         {
 117 //              deletePreview();
 118 //              deleteSnapper();
 119                 init(getStatus() - 1);
 120                 graphicView->redraw();  // hm.
 121         }
 122 }
 123
 124 void ActionDrawCircleCR::coordinateEvent(Vector * e)
 125 {
 126         if (e == NULL)
 127                 return;
 128
 129         Vector mouse = *e;
 130
 131         switch (getStatus())
 132         {
 133         case SetCenter:
 134                 data.center = mouse;
 135                 trigger();
 136                 break;
 137
 138         default:
 139                 break;
 140         }
 141 }
 142
 143 void ActionDrawCircleCR::commandEvent(CommandEvent * e)
 144 {
 145         QString c = e->getCommand().toLower();
 146
 147         if (checkCommand("help", c))
 148         {
 149                 DIALOGFACTORY->commandMessage(msgAvailableCommands()
 150                         + getAvailableCommands().join(", "));
 151                 return;
 152         }
 153
 154         switch (getStatus())
 155         {
 156         case SetCenter:
 157
 158                 if (checkCommand("radius", c))
 159                 {
 160                         deleteSnapper();
 161                         deletePreview();
 162                         clearPreview();
 163                         setStatus(SetRadius);
 164                 }
 165                 break;
 166
 167         case SetRadius:
 168         {
 169                 bool ok;
 170                 double r = Math::eval(c, &ok);
 171
 172                 if (ok == true)
 173                         data.radius = r;
 174                 else
 175                         DIALOGFACTORY->commandMessage(tr("Not a valid expression"));
 176
 177                 DIALOGFACTORY->requestOptions(this, true, true);
 178                 setStatus(SetCenter);
 179         }
 180         break;
 181
 182         default:
 183                 break;
 184         }
 185 }
 186
 187 QStringList ActionDrawCircleCR::getAvailableCommands()
 188 {
 189         QStringList cmd;
 190
 191         switch (getStatus())
 192         {
 193         case SetCenter:
 194                 cmd += command("radius");
 195                 break;
 196
 197         default:
 198                 break;
 199         }
 200
 201         return cmd;
 202 }
 203
 204 void ActionDrawCircleCR::updateMouseButtonHints()
 205 {
 206         switch (getStatus())
 207         {
 208         case SetCenter:
 209                 DIALOGFACTORY->updateMouseWidget(tr("Specify circle center"), tr("Cancel"));
 210                 break;
 211
 212         case SetRadius:
 213                 DIALOGFACTORY->updateMouseWidget(tr("Specify circle radius"), tr("Back"));
 214                 break;
 215
 216         default:
 217                 DIALOGFACTORY->updateMouseWidget("", "");
 218                 break;
 219         }
 220 }
 221
 222 void ActionDrawCircleCR::showOptions()
 223 {
 224         ActionInterface::showOptions();
 225
 226         DIALOGFACTORY->requestOptions(this, true);
 227 }
 228
 229 void ActionDrawCircleCR::hideOptions()
 230 {
 231         ActionInterface::hideOptions();
 232
 233         DIALOGFACTORY->requestOptions(this, false);
 234 }
 235
 236 void ActionDrawCircleCR::updateMouseCursor()
 237 {
 238         graphicView->setMouseCursor(RS2::CadCursor);
 239 }
 240
 241 void ActionDrawCircleCR::updateToolBar()
 242 {
 243         if (!isFinished())
 244                 DIALOGFACTORY->requestToolBar(RS2::ToolBarSnap);
 245         else
 246                 DIALOGFACTORY->requestToolBar(RS2::ToolBarCircles);
 247 }
 248
 249 double ActionDrawCircleCR::getRadius()
 250 {
 251         return data.radius;
 252 }
 253
 254 void ActionDrawCircleCR::setRadius(double r)
 255 {
 256         data.radius = r;
 257 }