X-Git-Url: http://gitweb.fperrin.net/?p=GpsPrune.git;a=blobdiff_plain;f=src%2Ftim%2Fprune%2Fload%2FFieldSelectionTableModel.java;fp=src%2Ftim%2Fprune%2Fload%2FFieldSelectionTableModel.java;h=d4d92a0429f239797eb8770bbf419e87e195234e;hp=0000000000000000000000000000000000000000;hb=ce6f2161b8596f7018d6a76bff79bc9e571f35fd;hpb=2d8cb72e84d5cc1089ce77baf1e34ea3ea2f8465

diff --git a/src/tim/prune/load/FieldSelectionTableModel.java b/src/tim/prune/load/FieldSelectionTableModel.java
new file mode 100644
index 0000000..d4d92a0
--- /dev/null
+++ b/src/tim/prune/load/FieldSelectionTableModel.java
@@ -0,0 +1,247 @@
+package tim.prune.load;
+
+import javax.swing.table.AbstractTableModel;
+
+import tim.prune.I18nManager;
+import tim.prune.data.Field;
+
+/**
+ * Class to hold the table model for the field selection table
+ */
+public class FieldSelectionTableModel extends AbstractTableModel
+{
+
+	private int _numRows = 0;
+	private Field[] _fieldArray = null;
+	private String _customText = null;
+
+	/**
+	 * Constructor
+	 */
+	public FieldSelectionTableModel()
+	{
+		// Cache the custom text for the table so it doesn't
+		// have to be looked up so often
+		_customText = I18nManager.getText("fieldname.custom");
+	}
+
+
+	/**
+	 * @return the column count
+	 */
+	public int getColumnCount()
+	{
+		return 3;
+	}
+
+
+	/**
+	 * @param inColNum column number
+	 * @return name of the column
+	 */
+	public String getColumnName(int inColNum)
+	{
+		if (inColNum == 0) return I18nManager.getText("dialog.load.table.field");
+		else if (inColNum == 1) return I18nManager.getText("dialog.load.table.datatype");
+		return I18nManager.getText("dialog.load.table.description");
+	}
+
+
+	/**
+	 * @return the row count
+	 */
+	public int getRowCount()
+	{
+		if (_fieldArray == null)
+			return 2;
+		return _numRows;
+	}
+
+
+	/**
+	 * @param inRowIndex row index
+	 * @param inColumnIndex column index
+	 * @return the value of the specified cell
+	 */
+	public Object getValueAt(int inRowIndex, int inColumnIndex)
+	{
+		if (_fieldArray == null) return "";
+		if (inColumnIndex == 0) return ("" + (inRowIndex+1));
+		Field field = _fieldArray[inRowIndex];
+		if (inColumnIndex == 1)
+		{
+			// Field name - take name from built-in fields
+			if (field.isBuiltIn())
+				return field.getName();
+			// Otherwise take custom name
+			return _customText;
+		}
+		// description column - builtin fields don't have one
+		if (field.isBuiltIn()) return "";
+		return field.getName();
+	}
+
+
+	/**
+	 * Make sure only second and third columns are editable
+	 * @param inRowIndex row index
+	 * @param inColumnIndex column index
+	 * @return true if cell editable
+	 */
+	public boolean isCellEditable(int inRowIndex, int inColumnIndex)
+	{
+		if (inColumnIndex <= 1)
+			return (inColumnIndex == 1);
+		// Column is 2 so only edit non-builtin field names
+		Field field = _fieldArray[inRowIndex];
+		return !field.isBuiltIn();
+	}
+
+
+	/**
+	 * Update the data
+	 * @param inData 2-dimensional Object array containing the data
+	 */
+	public void updateData(Field[] inData)
+	{
+		_fieldArray = inData;
+		if (_fieldArray != null)
+		{
+			_numRows = _fieldArray.length;
+		}
+		fireTableStructureChanged();
+	}
+
+
+	/**
+	 * React to edits to the table data
+	 * @param inValue value to set
+	 * @param inRowIndex row index
+	 * @param inColumnIndex column index
+	 */
+	public void setValueAt(Object inValue, int inRowIndex, int inColumnIndex)
+	{
+		super.setValueAt(inValue, inRowIndex, inColumnIndex);
+		if (inColumnIndex == 1)
+		{
+			Field field = _fieldArray[inRowIndex];
+			if (!field.getName().equals(inValue.toString()))
+			{
+				manageFieldChange(inRowIndex, inValue.toString());
+			}
+		}
+		else if (inColumnIndex == 2)
+		{
+			// change description if it's custom
+			Field field = _fieldArray[inRowIndex];
+			if (!field.isBuiltIn())
+				field.setName(inValue.toString());
+		}
+	}
+
+
+	/**
+	 * Move the selected item up one place
+	 * @param inIndex index of item to move
+	 */
+	public void moveUp(int inIndex)
+	{
+		if (inIndex > 0)
+		{
+			swapItems(inIndex-1, inIndex);
+		}
+	}
+
+
+	/**
+	 * Move the selected item down one place
+	 * @param inIndex index of item to move
+	 */
+	public void moveDown(int inIndex)
+	{
+		if (inIndex > -1 && inIndex < (_numRows - 1))
+		{
+			swapItems(inIndex, inIndex+1);
+		}
+	}
+
+
+	/**
+	 * Swap the specified items in the array
+	 * @param inIndex1 index of first item
+	 * @param inIndex2 index of second item (higher than inIndex1)
+	 */
+	private void swapItems(int inIndex1, int inIndex2)
+	{
+		Field temp = _fieldArray[inIndex1];
+		_fieldArray[inIndex1] = _fieldArray[inIndex2];
+		_fieldArray[inIndex2] = temp;
+		fireTableRowsUpdated(inIndex1, inIndex2);
+	}
+
+
+	/**
+	 * React to a requested change to one of the fields
+	 * @param inRow row number of change
+	 * @param inValue new string value
+	 */
+	private void manageFieldChange(int inRow, String inValue)
+	{
+		// check if it's lat or long - don't allow changes to these fields
+		Field field = _fieldArray[inRow];
+		if (field == Field.LATITUDE || field == Field.LONGITUDE)
+			return;
+		if (inValue.equals(I18nManager.getText("fieldname.latitude"))
+		  || inValue.equals(I18nManager.getText("fieldname.longitude")))
+			return;
+
+		// Changes to custom field need to be handled differently
+		boolean changeToCustom = inValue.equals(I18nManager.getText("fieldname.custom"));
+		if (changeToCustom)
+		{
+			if (field.isBuiltIn())
+			{
+				String customPrefix = I18nManager.getText("fieldname.prefix") + " ";
+				int index = inRow + 1;
+				while (hasField(customPrefix + index))
+					index++;
+				_fieldArray[inRow] = new Field(customPrefix + index);
+			}
+			// ignore custom to custom changes
+		}
+		else
+		{
+			// Change to a fixed field - check we've not already got it
+			if (!hasField(inValue))
+			{
+				// Change is ok - find new Field object corresponding to text
+				_fieldArray[inRow] = Field.getField(inValue);
+			}
+		}
+		// fire change
+		fireTableRowsUpdated(inRow, inRow);
+	}
+
+
+	/**
+	 * @return array of Field objects
+	 */
+	public Field[] getFieldArray()
+	{
+		return _fieldArray;
+	}
+
+
+	/**
+	 * @param inName Name of field to find
+	 * @return true if this field is already present
+	 */
+	private boolean hasField(String inName)
+	{
+		if (_fieldArray == null || inName == null) return false;
+		for (int i=0; i<_numRows; i++)
+			if (_fieldArray[i].getName().equals(inName))
+				return true;
+		return false;
+	}
+}