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selection.cpp
author insilmaril
Mon, 05 May 2008 13:46:43 +0000
changeset 697 82fad0ca8206
parent 651 1e51ba080947
child 721 12958f987bcf
permissions -rw-r--r--
Some code cleanup and experimental stuff to support animations later 
     1 #include <typeinfo>

     2 

     3 #include "selection.h"

     4 

     5 #include "mainwindow.h"

     6 #include "mapeditor.h"

     7 #include "vymmodel.h"

     8 

     9 

    10 

    11 extern Main *mainWindow;

    12 

    13 Selection::Selection()

    14 {

    15 	color= QColor(255,255,0);

    16 }

    17 

    18 Selection::~Selection()

    19 {

    20 }

    21 

    22 void Selection::setModel (VymModel *m)

    23 {

    24 	model=m;

    25 	scene=model->getScene();

    26 }

    27 

    28 void Selection::copy(const Selection &other)

    29 {

    30 	selectList=other.selectList;

    31 	lastSelectList=other.lastSelectList;

    32 }

    33 

    34 void Selection::clear()

    35 {

    36 	unselect();

    37 	lastSelectList.clear();

    38 }

    39 

    40 void Selection::update()

    41 {

    42 	QRectF bbox;

    43 	int w=0;

    44 	for (int i=0; i< selectList.count(); ++i) 

    45 	{

    46 		bbox=selectList.at(i)->getBBox();

    47 		selboxList.at(i)->setRect (

    48 			bbox.x()-w,bbox.y()-w, 

    49 			bbox.width()+2*w, bbox.height()+2*w);

    50 		selboxList.at(i)->setPen (color);	

    51 		selboxList.at(i)->setBrush (color);	

    52 	}	

    53 }

    54 

    55 void Selection::setColor (QColor col)

    56 {

    57 	color=col;

    58 	update();

    59 }

    60 

    61 QColor Selection::getColor ()

    62 {

    63 	return color;

    64 }

    65 

    66 bool Selection::select(LinkableMapObj *lmo)	// TODO no multiselections yet

    67 {

    68 	if (!selectList.isEmpty()) unselect();

    69 	selectList.append (lmo);

    70 	QGraphicsRectItem *sb = scene->addRect(

    71 		QRectF(0,0,0,0), 

    72 		QPen(color),

    73 		color);

    74 	sb->setZValue(Z_SELBOX);

    75 	sb->show();

    76 	selboxList.append (sb);

    77 	lmo->select();

    78 	update();

    79 	mainWindow->updateSatellites (model->getMapEditor() );	

    80 	return true;

    81 }

    82 

    83 bool Selection::select (const QString &s)	// TODO no multiselections yet

    84 {

    85 	LinkableMapObj *lmo=model->findObjBySelect(s);

    86 

    87 	// Finally select the found object

    88 	if (lmo)

    89 	{

    90 		unselect();

    91 		select (lmo);

    92 		return true;

    93 	} 

    94 	return false;

    95 

    96 }

    97 

    98 bool Selection::reselect ()	// TODO no multiselections yet

    99 {

   100 	if (!lastSelectList.isEmpty())

   101 	{

   102 		select (lastSelectList.first());

   103 		return true;

   104 	}

   105 	return false;

   106 

   107 }

   108 

   109 void Selection::unselect()

   110 {

   111 	if (!selectList.isEmpty() )

   112 	{

   113 		for (int i=0; i< selectList.count(); ++i) 

   114 			selectList.at(i)->unselect();

   115 		lastSelectList=selectList;

   116 		selectList.clear();

   117 		while (!selboxList.isEmpty() )

   118 			delete selboxList.takeFirst();

   119 

   120 	}	

   121 }

   122 

   123 bool Selection::isEmpty()

   124 {

   125 	return selectList.isEmpty();

   126 }

   127 

   128 uint Selection::count()

   129 {

   130 	return selectList.count();

   131 }

   132 

   133 Selection::Type Selection::type() // TODO no multiselections yet

   134 {

   135 	if (!selectList.isEmpty())

   136 	{

   137 		LinkableMapObj *sel=selectList.first();

   138 		if (typeid (*sel)==typeid (BranchObj)) return Branch;

   139 		if (typeid (*sel)==typeid (MapCenterObj)) return MapCenter;

   140 		if (typeid (*sel)==typeid (FloatImageObj)) return FloatImage;

   141 	}

   142 	return Undefined;

   143 }

   144 

   145 LinkableMapObj* Selection::first()

   146 {

   147 	if (!selectList.isEmpty())

   148 		return selectList.first();

   149 	else	

   150 		return NULL;

   151 }

   152 

   153 LinkableMapObj* Selection::single()

   154 {

   155 	if (selectList.count() == 1)

   156 		return selectList.first();

   157 	else	

   158 		return NULL;

   159 }

   160 

   161 BranchObj* Selection::getBranch()

   162 {

   163 	if (!selectList.isEmpty())

   164 	{

   165 		LinkableMapObj *sel=selectList.first();

   166 		if (typeid (*sel)==typeid (BranchObj) ||

   167 		    typeid (*sel)==typeid (MapCenterObj)) 

   168 			return (BranchObj*)sel;

   169 	}

   170 		return NULL;

   171 }

   172 

   173 FloatImageObj* Selection::getFloatImage()

   174 {

   175 	if (!selectList.isEmpty())

   176 	{

   177 		LinkableMapObj *sel=selectList.first();

   178 		if (typeid (*sel)==typeid (FloatImageObj)) 

   179 			return (FloatImageObj*)sel;

   180 	}

   181 		return NULL;

   182 }

   183 

   184 QString Selection::getSelectString()// TODO no multiselections yet

   185 {

   186 	if (selectList.count()==1)

   187 	{

   188 		return model->getSelectString (selectList.first() );

   189 	}

   190 	else

   191 		return"";

   192 }

   193 

   194
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