Added SimplePreview to NewLabelDialog.

app/CMakeLists.txt

@@ -18,6 +18,7 @@ set (glabels_sources
   TemplatePickerItem.cpp
   TextNode.cpp
   NewLabelDialog.cpp
+  SimplePreview.cpp
 )
 
 set (glabels_qobject_headers
@@ -26,6 +27,7 @@ set (glabels_qobject_headers
   MainWindow.h
   TemplatePicker.h
   NewLabelDialog.h
+  SimplePreview.h
 )
 
 set (glabels_forms

app/NewLabelDialog.cpp

@@ -21,6 +21,7 @@
 #include "NewLabelDialog.h"
 
 #include "libglabels/Db.h"
+#include "TemplatePickerItem.h"
 
 
 namespace gLabels
@@ -48,6 +49,7 @@ namespace gLabels
 		connect( pageSizeUsRadio, SIGNAL(toggled(bool)), this, SLOT(pageSizeRadioToggled(bool)) );
 		connect( pageSizeOtherRadio, SIGNAL(toggled(bool)), this, SLOT(pageSizeRadioToggled(bool)) );
 
+		connect( templatePicker, SIGNAL(itemSelectionChanged()), this, SLOT(templatePickerSelectionChanged()) );
 	}
 
 
@@ -71,4 +73,22 @@ namespace gLabels
 		}
 	}
 
+
+	void NewLabelDialog::templatePickerSelectionChanged()
+	{
+		QList<QListWidgetItem *> selectedItems = templatePicker->selectedItems();
+
+		if ( selectedItems.isEmpty() )
+		{
+			// Clear preview
+			simplePreview->setTemplate( NULL );
+		}
+		else
+		{
+			// Set template to preview
+			TemplatePickerItem *tItem = dynamic_cast<TemplatePickerItem*>(selectedItems.first());
+			simplePreview->setTemplate( tItem->tmplate() );
+		}
+	}
+
 }

app/NewLabelDialog.h

@@ -37,6 +37,7 @@ namespace gLabels
 	private slots:
 		void searchEntryTextChanged( const QString &text );
 		void pageSizeRadioToggled( bool checked );
+		void templatePickerSelectionChanged();
 
 	};
 

app/SimplePreview.cpp

@@ -0,0 +1,126 @@
+/*  SimplePreview.cpp
+ *
+ *  Copyright (C) 2013  Jim Evins <evins@snaught.com>
+ *
+ *  This file is part of gLabels-qt.
+ *
+ *  gLabels-qt is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  gLabels-qt is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with gLabels-qt.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "SimplePreview.h"
+
+#include <QGraphicsRectItem>
+#include <QGraphicsDropShadowEffect>
+
+namespace
+{
+        const QColor paperColor( 255, 255, 255 );
+        const QColor paperOutlineColor( 0, 0, 0 );
+
+        const QColor shadowColor( 64, 64, 64 );
+
+        const QColor labelColor( 242, 242, 242 );
+        const QColor labelOutlineColor( 64, 64, 64 );
+}
+
+
+namespace gLabels
+{
+
+	SimplePreview::SimplePreview( QWidget *parent = 0 ) : QGraphicsView(parent)
+	{
+		mScene = new QGraphicsScene();
+		setScene( mScene );
+
+		setAttribute(Qt::WA_TranslucentBackground);
+		viewport()->setAutoFillBackground(false);
+
+		setFrameStyle( QFrame::NoFrame );
+	}
+
+
+	void SimplePreview::setTemplate( const libglabels::Template *tmplate )
+	{
+		clearScene();
+
+		if ( tmplate != NULL )
+		{
+			double x = -0.05 * tmplate->pageWidth();
+			double y = -0.05 * tmplate->pageHeight();
+			double w = 1.10 * tmplate->pageWidth();
+			double h = 1.10 * tmplate->pageHeight();
+
+			mScene->setSceneRect( x, y, w, h );
+			fitInView( x, y, w, h, Qt::KeepAspectRatio );
+
+			drawPaper( tmplate->pageWidth(), tmplate->pageHeight() );
+			drawLabels( tmplate );
+		}
+	}
+
+
+	void SimplePreview::clearScene()
+	{
+		foreach ( QGraphicsItem *item, mScene->items() )
+		{
+			mScene->removeItem( item );
+			delete item;
+		}
+	}
+
+
+	void SimplePreview::drawPaper( double pw, double ph )
+	{
+		QGraphicsDropShadowEffect *shadowEffect = new QGraphicsDropShadowEffect();
+		shadowEffect->setColor( shadowColor );
+		shadowEffect->setOffset( 0.005*pw );
+		shadowEffect->setBlurRadius( 0.035*pw );
+
+		QBrush brush( paperColor );
+		QPen pen( paperOutlineColor );
+
+		QGraphicsRectItem *pageItem = new QGraphicsRectItem( 0, 0, pw, ph );
+		pageItem->setBrush( brush );
+		pageItem->setPen( pen );
+		pageItem->setGraphicsEffect( shadowEffect );
+				
+		mScene->addItem( pageItem );
+	}
+
+
+	void SimplePreview::drawLabels( const libglabels::Template *tmplate )
+	{
+		libglabels::Frame *frame = tmplate->frames().first();
+
+		foreach (libglabels::Point origin, frame->getOrigins() )
+		{
+			drawLabel( origin.x(), origin.y(), frame->path() );
+		}
+	}
+
+
+	void SimplePreview::drawLabel( double x, double y, const QPainterPath &path )
+	{
+		QBrush brush( labelColor );
+		QPen pen( labelOutlineColor );
+
+		QGraphicsPathItem *labelItem  = new QGraphicsPathItem( path );
+		labelItem->setBrush( brush );
+		labelItem->setPen( pen );
+		labelItem->setPos( x, y );
+
+		mScene->addItem( labelItem );
+	}
+
+}

app/SimplePreview.h

@@ -0,0 +1,56 @@
+/*  SimplePreview.h
+ *
+ *  Copyright (C) 2013  Jim Evins <evins@snaught.com>
+ *
+ *  This file is part of gLabels-qt.
+ *
+ *  gLabels-qt is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  gLabels-qt is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with gLabels-qt.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef glabels_SimplePreview_h
+#define glabels_SimplePreview_h
+
+#include <QGraphicsView>
+#include <QGraphicsScene>
+
+#include <QList>
+
+#include "libglabels/Template.h"
+
+
+namespace gLabels
+{
+
+	class SimplePreview : public QGraphicsView
+	{
+		Q_OBJECT
+
+	public:
+		SimplePreview( QWidget *parent );
+
+		void setTemplate( const libglabels::Template *tmplate );
+
+	private:
+		void clearScene();
+		void drawPaper( double pw, double ph );
+		void drawLabels( const libglabels::Template *tmplate );
+		void drawLabel( double x, double y, const QPainterPath &path );
+
+		QGraphicsScene *mScene;
+
+	};
+
+}
+
+#endif // glabels_SimplePreview_h

app/ui/NewLabelDialog.ui

@@ -140,7 +140,7 @@
            </property>
            <layout class="QVBoxLayout" name="verticalLayout_5">
             <item>
-             <widget class="QGraphicsView" name="previewGraphicsView">
+             <widget class="gLabels::SimplePreview" name="simplePreview">
               <property name="sizePolicy">
                <sizepolicy hsizetype="Fixed" vsizetype="Fixed">
                 <horstretch>0</horstretch>
@@ -273,6 +273,11 @@
    <extends>QListWidget</extends>
    <header>TemplatePicker.h</header>
   </customwidget>
+  <customwidget>
+   <class>gLabels::SimplePreview</class>
+   <extends>QGraphicsView</extends>
+   <header>SimplePreview.h</header>
+  </customwidget>
  </customwidgets>
  <resources/>
  <connections/>