Made the actions popup menu accessable from the attribute table dialog

box.


git-svn-id: http://svn.osgeo.org/qgis/trunk@2240 c8812cc2-4d05-0410-92ff-de0c093fc19c

src/qgsattributetable.cpp

@@ -18,13 +18,15 @@
 /* $Id$ */
 #include <qapplication.h>
 #include <qcursor.h>
+#include <qpopupmenu.h>
+#include <qlabel.h>
 #include <qfont.h>
 #include "qgsattributetable.h"
 #include <iostream>
 #include <stdlib.h>
 
 QgsAttributeTable::QgsAttributeTable(QWidget * parent, const char *name):QTable(parent, name), lockKeyPressed(false),
-sort_ascending(true)
+									 sort_ascending(true), mActionPopup(0)
 {
   QFont f(font());
   f.setFamily("Helvetica");
@@ -32,6 +34,7 @@ sort_ascending(true)
   setFont(f);
   setSelectionMode(QTable::MultiRow);
   QObject::connect(this, SIGNAL(selectionChanged()), this, SLOT(handleChangedSelections()));
+  connect(this, SIGNAL(contextMenuRequested(int, int, const QPoint&)), this, SLOT(popupMenu(int, int, const QPoint&)));
   setFocus();
 }
 
@@ -255,3 +258,55 @@ void QgsAttributeTable::contentsMouseReleaseEvent(QMouseEvent * e)
   contentsMouseMoveEvent(e);    //send out a move event to keep the selections updated 
   emit repaintRequested();
 }
+
+void QgsAttributeTable::popupMenu(int row, int col, const QPoint& pos)
+{
+  std::cerr << "context menu requested" << std::endl;
+
+  // Duplication of code in qgsidentufyresults.cpp. Consider placing
+  // in a seperate class
+  if (mActionPopup == 0)
+  {
+    mActionPopup = new QPopupMenu();
+
+    QLabel* popupLabel = new QLabel( mActionPopup );
+    popupLabel->setText( tr("<center>Run action</center>") );
+    mActionPopup->insertItem(popupLabel);
+    mActionPopup->insertSeparator();
+
+    QgsAttributeAction::aIter	iter = mActions.begin();
+    for (int j = 0; iter != mActions.end(); ++iter, ++j)
+    {
+      int id = mActionPopup->insertItem(iter->name(), this, 
+					SLOT(popupItemSelected(int)));
+      mActionPopup->setItemParameter(id, j);
+    }
+  }
+
+  // Get and store the attribute values and their column names are
+  // these are needed for substituting into the actions if the user
+  // chooses one.
+  mActionValues.clear();
+  QHeader* header = horizontalHeader();
+
+#ifdef QGISDEBUG
+  if (header->count() != numCols())
+    std::cerr << "Something wrong with the table (file " 
+	      << __FILE__<< ", line " << __LINE__ 
+	      << ")." << std::endl;
+#endif
+
+  for (int i = 0; i < numCols(); ++i)
+    mActionValues.push_back(std::make_pair(header->label(i), text(row, i)));
+
+  // The item that was clicked on, stored as an index into the
+  // mActionValues vector.
+  mClickedOnValue = col;
+
+  mActionPopup->popup(pos);  
+}
+
+void QgsAttributeTable::popupItemSelected(int id)
+{
+  mActions.doAction(id, mActionValues, mClickedOnValue);
+}

src/qgsattributetable.h

@@ -22,6 +22,11 @@
 #include <qtable.h>
 #include <qmap.h>
 
+class QPopupMenu;
+#include "qgsattributeaction.h"
+
+#include <vector>
+#include <utility>
 /**
   *@author Gary E.Sherman
   */
@@ -40,8 +45,17 @@ class QgsAttributeTable:public QTable
       void selectRowWithId(int id);
       /**Sorts a column. This method replaces the one from QTable to allow numeric sorting*/
       virtual void sortColumn(int col, bool ascending=true, bool wholeRows=false);
+      /* Use this to give this class the current attribute actions,
+	 which are used when the user requests a popup menu */
+      void setAttributeActions(const QgsAttributeAction& actions)
+	{ mActions = actions; }
+      
       public slots:
       void columnClicked(int col);
+      // Called when the user requests a popup menu
+      void popupMenu(int row, int col, const QPoint& pos);
+      // Called when the user chooses an item on the popup menu
+      void popupItemSelected(int id);
       protected slots:
 	  void handleChangedSelections();
       protected:
@@ -58,6 +72,7 @@ class QgsAttributeTable:public QTable
       /**Method used by sortColumn (implementation of a quicksort)*/
       void qsort(int lower, int upper, int col, bool ascending, bool alphanumeric);
       void contentsMouseReleaseEvent(QMouseEvent* e);
+
         signals:
 
       /**Is emitted when a row was selected*/
@@ -66,6 +81,14 @@ class QgsAttributeTable:public QTable
       void selectionRemoved();
       /**Is emmited when a set of related selection and deselection signals have been emitted*/
       void repaintRequested();
+
+ private:
+
+      // Data to do with providing a popup menu of actions that
+      std::vector<std::pair<QString, QString> > mActionValues;
+      int mClickedOnValue;
+      QPopupMenu* mActionPopup;
+      QgsAttributeAction mActions;
 };
 
 #endif

src/qgsvectorlayer.cpp

@@ -679,6 +679,9 @@ void QgsVectorLayer::table()
     if (tabledisplay)
     {
         tabledisplay->raise();
+	// Give the table the most recent copy of the actions for this
+	// layer. 
+	tabledisplay->table()->setAttributeActions(mActions);
     } else
     {
         // display the attribute table
@@ -727,6 +730,9 @@ void QgsVectorLayer::table()
         tabledisplay->show();
         tabledisplay->table()->clearSelection();  //deselect the first row
 
+	// Give the table the most recent copy of the actions for this
+	// layer. 
+	tabledisplay->table()->setAttributeActions(mActions);
 
         QObject::disconnect(tabledisplay->table(), SIGNAL(selectionChanged()), tabledisplay->table(), SLOT(handleChangedSelections()));