Merge branch 'feature/editable_table_cells'

examples/Demo/Source/Demos/WidgetsDemo.cpp

@@ -741,10 +741,13 @@ public:
     }
 
     // This is overloaded from TableListBoxModel, and should fill in the background of the whole row
-    void paintRowBackground (Graphics& g, int /*rowNumber*/, int /*width*/, int /*height*/, bool rowIsSelected) override
+    void paintRowBackground (Graphics& g, int rowNumber, int /*width*/, int /*height*/, bool rowIsSelected) override
     {
         if (rowIsSelected)
             g.fillAll (Colours::lightblue);
+        
+        else if (rowNumber % 2)
+            g.fillAll (Colour (0xffeeeeee));
     }
 
     // This is overloaded from TableListBoxModel, and must paint any cells that aren't using custom
@@ -785,7 +788,12 @@ public:
     Component* refreshComponentForCell (int rowNumber, int columnId, bool /*isRowSelected*/,
                                         Component* existingComponentToUpdate) override
     {
-        if (columnId == 5) // If it's the ratings column, we'll return our custom component..
+        if (columnId == 1 || columnId == 7) // The ID and Length columns do not have a custom component
+        {
+            jassert (existingComponentToUpdate == 0);
+            return 0;
+        }
+        else if (columnId == 5) // For the ratings column, we return the custom combobox component
         {
             RatingColumnCustomComponent* ratingsBox = (RatingColumnCustomComponent*) existingComponentToUpdate;
 
@@ -798,12 +806,17 @@ public:
 
             return ratingsBox;
         }
-        else
+        else // The other columns are editable text columns, for which we use the custom Label component
         {
-            // for any other column, just return 0, as we'll be painting these columns directly.
-
-            jassert (existingComponentToUpdate == 0);
-            return 0;
+            EditableTextCustomComponent* textLabel = (EditableTextCustomComponent*) existingComponentToUpdate;
+            
+            // same as above...
+            if (textLabel == 0)
+                textLabel = new EditableTextCustomComponent (*this);
+            
+            textLabel->setRowAndColumn (rowNumber, columnId);
+            
+            return textLabel;
         }
     }
 
@@ -812,7 +825,7 @@ public:
     int getColumnAutoSizeWidth (int columnId) override
     {
         if (columnId == 5)
-            return 100; // (this is the ratings column, containing a custom component)
+            return 100; // (this is the ratings column, containing a custom combobox component)
 
         int widest = 32;
 
@@ -832,8 +845,7 @@ public:
         return widest + 8;
     }
 
-    // A couple of quick methods to set and get the "rating" value when the user
-    // changes the combo box
+    // A couple of quick methods to set and get cell values when the user changes them
     int getRating (const int rowNumber) const
     {
         return dataList->getChildElement (rowNumber)->getIntAttribute ("Rating");
@@ -843,6 +855,17 @@ public:
     {
         dataList->getChildElement (rowNumber)->setAttribute ("Rating", newRating);
     }
+    
+    String getText (const int columnNumber, const int rowNumber) const
+    {
+        return dataList->getChildElement (rowNumber)->getStringAttribute ( getAttributeNameForColumnId(columnNumber));
+    }
+    
+    void setText (const int columnNumber, const int rowNumber, const String& newText)
+    {
+        const String& columnName = table.getHeader().getColumnName (columnNumber);
+        dataList->getChildElement (rowNumber)->setAttribute (columnName, newText);
+    }
 
     //==============================================================================
     void resized() override
@@ -861,6 +884,37 @@ private:
     XmlElement* dataList;   // A pointer to the sub-node of demoData that contains the list of data rows
     int numRows;            // The number of rows of data we've got
 
+    //==============================================================================
+    // This is a custom Label component, which we use for the table's editable text columns.
+    class EditableTextCustomComponent : public Label
+    {
+    public:
+        EditableTextCustomComponent (TableDemoComponent& owner_)
+            : owner (owner_)
+        {
+            setEditable (false, true, false);
+            setColour (textColourId, Colours::black);
+        }
+        
+        void textWasEdited() override
+        {
+            owner.setText (columnId, row, getText());
+        }
+        
+        // Our demo code will call this when we may need to update our contents
+        void setRowAndColumn (const int newRow, const int newColumn)
+        {
+            row = newRow;
+            columnId = newColumn;
+            setText (owner.getText(columnId, row), dontSendNotification);
+        }
+        
+    private:
+        TableDemoComponent& owner;
+        int row, columnId;
+    };
+    
+
     //==============================================================================
     // This is a custom component containing a combo box, which we're going to put inside
     // our table's "rating" column.