Link single element widget, set live edit enable.

In properties dock widget, no need to click on apply button, change are apply immediately.


git-svn-id: svn+ssh://svn.tuxfamily.org/svnroot/qet/qet/trunk@3992 bfdf4180-ca20-0410-9c96-a3a8aa849046

sources/qetgraphicsitem/element.h

@@ -120,6 +120,7 @@ class Element : public QetGraphicsItem {
 		kind              link_type_;
 
 	signals:
+		void linkedElementChanged(); //This signal is emtied when the linked elements with this element change
 		void elementInfoChange(DiagramContext old_info, DiagramContext new_info);
 
 		//METHODS related to information

sources/qetgraphicsitem/masterelement.cpp

@@ -49,9 +49,11 @@ MasterElement::~MasterElement() {
  * For this class element must be a slave
  * @param elmt
  */
-void MasterElement::linkToElement(Element *elmt) {	
-	// check if element is slave and if isn't already linked
-	if (elmt->linkType() == Slave && !connected_elements.contains(elmt)) {
+void MasterElement::linkToElement(Element *elmt)
+{
+		// check if element is slave and if isn't already linked
+	if (elmt->linkType() == Slave && !connected_elements.contains(elmt))
+	{
 		connected_elements << elmt;
 		elmt->linkToElement(this);
 
@@ -60,6 +62,7 @@ void MasterElement::linkToElement(Element *elmt) {
 		connect(elmt, SIGNAL(xChanged()), cri_, SLOT(updateLabel()));
 		connect(elmt, SIGNAL(yChanged()), cri_, SLOT(updateLabel()));
 		cri_ -> updateLabel();
+		emit linkedElementChanged();
 	}
 }
 
@@ -67,12 +70,14 @@ void MasterElement::linkToElement(Element *elmt) {
  * @brief MasterElement::unlinkAllElements
  * Unlink all of the element in the QList connected_elements
  */
-void MasterElement::unlinkAllElements() {
-	// if this element is free no need to do something
-	if (!isFree()) {
-		foreach(Element *elmt, connected_elements) {
+void MasterElement::unlinkAllElements()
+{
+		// if this element is free no need to do something
+	if (!isFree())
+	{
+		foreach(Element *elmt, connected_elements)
 			unlinkElement(elmt);
-		}
+		emit linkedElementChanged();
 	}
 }
 
@@ -96,6 +101,7 @@ void MasterElement::unlinkElement(Element *elmt)
 
 		cri_ -> updateLabel();
 		aboutDeleteXref();
+		emit linkedElementChanged();
 	}
 }
 

sources/qetgraphicsitem/reportelement.cpp

@@ -81,6 +81,7 @@ void ReportElement::linkToElement(Element * elmt)
 		updateLabel();
 
 		elmt -> linkToElement(this);
+		emit linkedElementChanged();
 	}
 }
 
@@ -90,7 +91,8 @@ void ReportElement::linkToElement(Element * elmt)
  */
 void ReportElement::unlinkAllElements()
 {
-	if (!isFree()){
+	if (!isFree())
+	{
 		QList <Element *> tmp_elmt = connected_elements;
 
 		foreach(Element *elmt, connected_elements)
@@ -107,6 +109,7 @@ void ReportElement::unlinkAllElements()
 			elmt -> setHighlighted(false);
 			elmt -> unlinkAllElements();
 		}
+		emit linkedElementChanged();
 	}
 }
 /**

sources/qetgraphicsitem/slaveelement.cpp

@@ -50,9 +50,11 @@ SlaveElement::~SlaveElement() {
  * For this class element must be a master
  * @param elmt
  */
-void SlaveElement::linkToElement(Element *elmt) {
-	// check if element is master and if isn't already linked
-	if (elmt->linkType() == Master && !connected_elements.contains(elmt)) {
+void SlaveElement::linkToElement(Element *elmt)
+{
+		// check if element is master and if isn't already linked
+	if (elmt->linkType() == Master && !connected_elements.contains(elmt))
+	{
 		if(!isFree()) unlinkAllElements();
 		connected_elements << elmt;
 
@@ -64,6 +66,7 @@ void SlaveElement::linkToElement(Element *elmt) {
 
 		updateLabel();
 		elmt -> linkToElement(this);
+		emit linkedElementChanged();
 	}
 }
 
@@ -71,12 +74,14 @@ void SlaveElement::linkToElement(Element *elmt) {
  * @brief SlaveElement::unlinkAllElements
  * Unlink all of the element in the QList connected_elements
  */
-void SlaveElement::unlinkAllElements() {
-	// if this element is free no need to do something
-	if (!isFree()) {
-		foreach(Element *elmt, connected_elements) {
+void SlaveElement::unlinkAllElements()
+{
+		// if this element is free no need to do something
+	if (!isFree())
+	{
+		foreach(Element *elmt, connected_elements)
 			unlinkElement(elmt);
-		}
+		emit linkedElementChanged();
 	}
 }
 
@@ -103,6 +108,7 @@ void SlaveElement::unlinkElement(Element *elmt)
 		updateLabel();
 		elmt -> unlinkElement  (this) ;
 		elmt -> setHighlighted (false);
+		emit linkedElementChanged();
 	}
 }