New element panel can display the thumbnail of elements used in a project

git-svn-id: svn+ssh://svn.tuxfamily.org/svnroot/qet/qet/trunk@4293 bfdf4180-ca20-0410-9c96-a3a8aa849046

sources/qetgraphicsitem/customelement.cpp

@@ -90,6 +90,50 @@ CustomElement::CustomElement(const ElementsLocation &location, QGraphicsItem *qg
 	elmt_state = 0;
 }
 
+/**
+ * @brief CustomElement::CustomElement
+ * Constructor build an element from the location @location
+ * @param location : location of the element
+ * @param parent : parent of element
+ * @param state : pointeur used to know the encountered error at creation...
+		- 0 : No error
+		- 1 : The location don't represent an element
+		- 2 : The location can't be readable
+		- 3 : The location isn't valid / exploitable / usable
+		- 4 : The xml document wasn't an element "definition"
+		- 5 : The attributes of the defintion aren't present and/or valid
+		- 6 : The defintion is empty
+		- 7 : The analyze of an xml element that describe a part of the drawing was failed
+		- 8 : No part of the drawing can be loaded
+ */
+CustomElement::CustomElement(ElementLocation &location, QGraphicsItem *parent, int *state) :
+	FixedElement(parent),
+	elmt_state(-1),
+	m_location(location),
+	forbid_antialiasing(false)
+
+{
+	if (!location.isElement())
+	{
+		if (state) *state = 1;
+		elmt_state = 1;
+	}
+
+		//Start from empty lists.
+	list_lines_.clear();
+	list_rectangles_.clear();
+	list_circles_.clear();
+	list_polygons_.clear();
+	list_arcs_.clear();
+
+	buildFromXml(location.xml(), &elmt_state);
+	if (state) *state = elmt_state;
+	if (elmt_state) return;
+
+	if (state) *state = 0;
+	elmt_state = 0;
+}
+
 /**
 	Construit l'element personnalise a partir d'un element XML representant sa
 	definition.

sources/qetgraphicsitem/customelement.h

@@ -20,6 +20,7 @@
 #include "fixedelement.h"
 #include "nameslist.h"
 #include "elementslocation.h"
+#include "elementlocation.h"
 #include <QPicture>
 
 class ElementTextItem;
@@ -30,28 +31,32 @@ class Terminal;
 	element, the difference being that the CustomElement reads its description
 	(names, drawing, behavior) from an XML document.
 */
-class CustomElement : public FixedElement {
-	
+class CustomElement : public FixedElement
+{
 	Q_OBJECT
 	
-	// constructors, destructor
+		// constructors, destructor
 	public:
-	CustomElement(const ElementsLocation &, QGraphicsItem * = 0, int * = 0);
+		CustomElement (const ElementsLocation &, QGraphicsItem * = 0, int * = 0);
+		CustomElement (ElementLocation &location, QGraphicsItem *parent = nullptr, int *state = nullptr);
+
 	virtual ~CustomElement();
 	
 	private:
-	CustomElement(const CustomElement &);
+		CustomElement(const CustomElement &);
 	
-	// attributes
+		// attributes
 	protected:
-	int elmt_state; // hold the error code in case the instanciation fails, or 0 if everything went well
-	NamesList names;
-	ElementsLocation location_;
-	QPicture drawing;
-	QPicture low_zoom_drawing;
-	QList<Terminal *> list_terminals;
-	QList<ElementTextItem *> list_texts_;
-	bool forbid_antialiasing;
+		int elmt_state; // hold the error code in case the instanciation fails, or 0 if everything went well
+		NamesList names;
+		ElementsLocation location_;
+		ElementLocation m_location;
+		QPicture drawing;
+		QPicture low_zoom_drawing;
+		QList<Terminal *> list_terminals;
+		QList<ElementTextItem *> list_texts_;
+		bool forbid_antialiasing;
+
 
 	QList<QLineF *> list_lines_;
 	QList<QRectF *> list_rectangles_;

sources/qetgraphicsitem/masterelement.cpp

@@ -35,6 +35,14 @@ MasterElement::MasterElement(const ElementsLocation &location, QGraphicsItem *qg
 	connect(this, SIGNAL(elementInfoChange(DiagramContext, DiagramContext)), this, SLOT(updateLabel(DiagramContext, DiagramContext)));
 }
 
+MasterElement::MasterElement(ElementLocation &location, QGraphicsItem *parent, int *state) :
+	CustomElement(location, parent, state),
+	cri_ (nullptr)
+{
+	link_type_ = Master;
+	connect(this, SIGNAL(elementInfoChange(DiagramContext, DiagramContext)), this, SLOT(updateLabel(DiagramContext, DiagramContext)));
+}
+
 /**
  * @brief MasterElement::~MasterElement
  * default destructor

sources/qetgraphicsitem/masterelement.h

@@ -34,6 +34,7 @@ class MasterElement : public CustomElement
 	
 	public:
 		explicit MasterElement(const ElementsLocation &, QGraphicsItem * = 0, int * = 0);
+		explicit MasterElement(ElementLocation &location, QGraphicsItem *parent = nullptr, int *state = nullptr);
 		~MasterElement();
 
 		virtual void linkToElement     (Element *elmt);

sources/qetgraphicsitem/reportelement.cpp

@@ -51,6 +51,34 @@ ReportElement::ReportElement(const ElementsLocation &location, QString link_type
 	}
 }
 
+ReportElement::ReportElement(ElementLocation &location, QString link_type, QGraphicsItem *parent, int *state) :
+	CustomElement(location, parent, state),
+	m_text_field (nullptr),
+	m_watched_conductor (nullptr)
+{
+		/*
+		* Get text tagged label. This is work for report
+		* create after the revision 3559.
+		* for report create before, we take the first text field
+		* because report haven't got a text field tagged label
+		*/
+	m_text_field = taggedText("label");
+	if (!m_text_field && !texts().isEmpty())
+		m_text_field = texts().first();
+	if (m_text_field)
+		m_text_field -> setNoEditable();
+
+	link_type == "next_report"? link_type_=NextReport : link_type_=PreviousReport;
+	link_type == "next_report"? inverse_report=PreviousReport : inverse_report=NextReport;
+
+		//We make these connections, to be always aware about the conductor properties
+	if (terminals().size())
+	{
+		connect (terminals().first(), &Terminal::conductorWasAdded, this, &ReportElement::conductorWasAdded);
+		connect (terminals().first(), &Terminal::conductorWasRemoved, this, &ReportElement::conductorWasRemoved);
+	}
+}
+
 /**
  * @brief ReportElement::~ReportElement
  * Destructor

sources/qetgraphicsitem/reportelement.h

@@ -33,6 +33,7 @@ class ReportElement : public CustomElement
 
 	public :
 		explicit ReportElement(const ElementsLocation &,QString link_type, QGraphicsItem * = 0, int * = 0);
+		explicit ReportElement(ElementLocation &location, QString link_type, QGraphicsItem *parent = nullptr, int *state = nullptr);
 		~ReportElement();
 		virtual void linkToElement(Element *);
 		virtual void unlinkAllElements();

sources/qetgraphicsitem/simpleelement.cpp

@@ -33,6 +33,14 @@ SimpleElement::SimpleElement(const ElementsLocation &location, QGraphicsItem *qg
 	connect(this, SIGNAL(elementInfoChange(DiagramContext, DiagramContext)), this, SLOT(updateLabel(DiagramContext, DiagramContext)));
 }
 
+SimpleElement::SimpleElement(ElementLocation &location, QGraphicsItem *parent, int *state) :
+	CustomElement(location, parent, state),
+	m_comment_item (nullptr)
+{
+	link_type_ = Simple;
+	connect(this, SIGNAL(elementInfoChange(DiagramContext, DiagramContext)), this, SLOT(updateLabel(DiagramContext, DiagramContext)));
+}
+
 /**
  * @brief SimpleElement::~SimpleElement
  */

sources/qetgraphicsitem/simpleelement.h

@@ -33,6 +33,7 @@ class SimpleElement : public CustomElement {
 
 	public  :
 		explicit SimpleElement(const ElementsLocation &, QGraphicsItem * = 0, int * = 0);
+		explicit SimpleElement(ElementLocation &location, QGraphicsItem *parent = nullptr, int *state = nullptr);
 		~SimpleElement();
 
 		virtual void initLink(QETProject *project);

sources/qetgraphicsitem/slaveelement.cpp

@@ -32,7 +32,14 @@
 SlaveElement::SlaveElement(const ElementsLocation &location, QGraphicsItem *qgi, int *state) :
 	CustomElement(location, qgi, state)
 {
-	Xref_item = NULL;
+	Xref_item = nullptr;
+	link_type_ = Slave;
+}
+
+SlaveElement::SlaveElement(ElementLocation &location, QGraphicsItem *parent, int *state) :
+	CustomElement(location, parent, state)
+{
+	Xref_item = nullptr;
 	link_type_ = Slave;
 }
 

sources/qetgraphicsitem/slaveelement.h

@@ -25,6 +25,7 @@ class SlaveElement : public CustomElement
 	Q_OBJECT
 	public:
 	explicit SlaveElement (const ElementsLocation &, QGraphicsItem * = 0, int * = 0);
+		explicit SlaveElement(ElementLocation &location, QGraphicsItem *parent = nullptr, int *state = nullptr);
 	~SlaveElement();
 	virtual void linkToElement(Element *elmt);
 	virtual void unlinkAllElements();

sources/qetgraphicsitem/terminalelement.cpp

@@ -31,4 +31,10 @@ TerminalElement::TerminalElement(const ElementsLocation &location, QGraphicsItem
 	link_type_ = Terminale;
 }
 
+TerminalElement::TerminalElement(ElementLocation &location, QGraphicsItem *parent, int *state) :
+	CustomElement(location, parent, state)
+{
+	link_type_ = Terminale;
+}
+
 TerminalElement::~TerminalElement() {}

sources/qetgraphicsitem/terminalelement.h

@@ -25,6 +25,7 @@ class TerminalElement : public CustomElement
 		Q_OBJECT
 	public:
 		TerminalElement(const ElementsLocation &, QGraphicsItem * = 0, int * = 0);
+		TerminalElement (ElementLocation &location, QGraphicsItem *parent = nullptr, int *state = nullptr);
 		~TerminalElement();
 };