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

   1 // actionmodifydeletefree.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  06/04/2010  Added this text. :-)
  15 //
  16
  17 #include "actionmodifydeletefree.h"
  18
  19 #include "dialogfactory.h"
  20 #include "graphicview.h"
  21 #include "modification.h"
  22 #include "polyline.h"
  23 #include "undo.h"
  24
  25 ActionModifyDeleteFree::ActionModifyDeleteFree(EntityContainer & container,
  26         GraphicView & graphicView):
  27         ActionInterface("Delete Entities Freehand", container, graphicView)
  28 {
  29 }
  30
  31 ActionModifyDeleteFree::~ActionModifyDeleteFree()
  32 {
  33 }
  34
  35 void ActionModifyDeleteFree::init(int status)
  36 {
  37         ActionInterface::init(status);
  38         polyline = NULL;
  39         e1 = e2 = NULL;
  40         v1 = v2 = Vector(false);
  41 //      setSnapMode(RS2::SnapOnEntity);
  42 }
  43
  44 void ActionModifyDeleteFree::trigger()
  45 {
  46         if (e1 && e2)
  47         {
  48                 EntityContainer * parent = e2->getParent();
  49
  50                 if (parent)
  51                 {
  52                         if (parent->rtti() == RS2::EntityPolyline)
  53                         {
  54                                 if (parent->getId() == polyline->getId())
  55                                 {
  56 #warning "!!! Old rendering path need upgrade !!!"
  57 #if 0
  58                                         // deletes whole polyline on screen:
  59                                         graphicView->deleteEntity((Entity *)polyline);
  60 #endif
  61
  62                                         // splits up the polyline in the container:
  63                                         Polyline * pl1;
  64                                         Polyline * pl2;
  65                                         Modification m(*container);
  66                                         m.splitPolyline(*polyline, *e1, v1, *e2, v2, &pl1, &pl2);
  67
  68                                         if (document)
  69                                         {
  70                                                 document->startUndoCycle();
  71                                                 document->addUndoable(polyline);
  72                                                 document->addUndoable(pl1);
  73                                                 document->addUndoable(pl2);
  74                                                 document->endUndoCycle();
  75                                         }
  76
  77                                         // draws the new polylines on the screen:
  78                                         graphicView->drawEntity((Entity *)pl1);
  79                                         graphicView->drawEntity((Entity *)pl2);
  80
  81                                         init();
  82
  83                                         DIALOGFACTORY->updateSelectionWidget(
  84                                                 container->countSelected());
  85                                 }
  86                                 else
  87                                         DIALOGFACTORY->commandMessage(tr("Entities not in the same polyline."));
  88                         }
  89                         else
  90                                 DIALOGFACTORY->commandMessage(tr("Parent of second entity is not a polyline"));
  91                 }
  92                 else
  93                         DIALOGFACTORY->commandMessage(tr("Parent of second entity is NULL"));
  94         }
  95         else
  96                 DIALOGFACTORY->commandMessage(tr("One of the chosen entities is NULL"));
  97 }
  98
  99 void ActionModifyDeleteFree::mouseReleaseEvent(QMouseEvent * e)
 100 {
 101         if (e->button() == Qt::RightButton)
 102                 init(getStatus() - 1);
 103         else
 104         {
 105                 switch (getStatus())
 106                 {
 107                 case 0:
 108                         v1 = snapPoint(e);
 109 //                      e1 = getKeyEntity();
 110                         e1 = graphicView->GetSnapperEntity();
 111
 112                         if (e1)
 113                         {
 114                                 EntityContainer * parent = e1->getParent();
 115
 116                                 if (parent)
 117                                 {
 118                                         if (parent->rtti() == RS2::EntityPolyline)
 119                                         {
 120                                                 polyline = (Polyline *)parent;
 121                                                 setStatus(1);
 122                                         }
 123                                         else
 124                                                 DIALOGFACTORY->commandMessage(
 125                                                         tr("Parent of first entity is not a polyline"));
 126                                 }
 127                                 else
 128                                         DIALOGFACTORY->commandMessage(
 129                                                 tr("Parent of first entity is NULL"));
 130                         }
 131                         else
 132                                 DIALOGFACTORY->commandMessage(
 133                                         tr("First entity is NULL"));
 134
 135                         break;
 136
 137                 case 1:
 138                         v2 = snapPoint(e);
 139 //                      e2 = getKeyEntity();
 140                         e2 = graphicView->GetSnapperEntity();
 141
 142                         if (e2)
 143                                 trigger();
 144                         else
 145                                 DIALOGFACTORY->commandMessage(tr("Second entity is NULL"));
 146
 147                         break;
 148                 }
 149         }
 150 }
 151
 152 void ActionModifyDeleteFree::updateMouseButtonHints()
 153 {
 154         switch (getStatus())
 155         {
 156         case 0:
 157                 DIALOGFACTORY->updateMouseWidget(tr("Specify first break point "
 158                         "on a polyline"), tr("Cancel"));
 159                 break;
 160
 161         case 1:
 162                 DIALOGFACTORY->updateMouseWidget(tr("Specify second break point "
 163                         "on the same polyline"), tr("Back"));
 164                 break;
 165
 166         default:
 167                 DIALOGFACTORY->updateMouseWidget("", "");
 168                 break;
 169         }
 170 }