Thank you very much Carsten. That fixed my problem.
On 07/08/2009, at 9:15 PM, Carsten Ø. Madsen wrote:
> Try
>
> mylayerX.consumeEvents=true
>
> You may want to override the stuff handling mouse events to
> programtically decide if the event should go further down the layer
> stack or not.
>
> BR
> Carsten
>
>
> On 08/07/2009 12:44 AM, pch42_at_tpg.com.au wrote:
>>
>> Carsten,
>>
>> thanks for that reply. I have created the simplest example I can of
>> the problem. The code is listed
>> below.
>>
>> There is an abstract layer with two concrete subclasses. The
>> concrete classes each draw a square -
>> the two squares partially overlap. The following is extracted from
>> the openmap.properties file.
>>
>> openmap.layers=mylayer1 mylayer2 shapePolitical
>> mylayer1.class=om.MyConcreteLayer1
>> mylayer1.prettyName=Layer 1
>> mylayer2.class=om.MyConcreteLayer2
>> mylayer2.prettyName=Layer 2
>>
>> Initially mylayer1 is on top of mylayer2. Selecting 'Details' from
>> the context menu on the non-
>> overlapping areas of the squares behaves as expected, but selecting
>> 'Details' from the context
>> menu when the mouse is over the intersecting area results in the
>> output
>>
>> This is layer 'Layer 2'
>>
>> If I then move mylayer2 above mylayer1 selecting 'Details' over the
>> intersecting region produces
>> the output
>>
>> This is layer 'Layer 1'.
>>
>> Paul
>>
>> **************************
>> package om;
>>
>> import java.awt.event.*;
>> import java.util.*;
>> import javax.swing.*;
>>
>> import com.bbn.openmap.layer.*;
>> import com.bbn.openmap.omGraphics.*;
>>
>> public abstract class MyAbstractLayer extends OMGraphicHandlerLayer {
>>
>> protected static final String ShowDetails = "Details";
>>
>> public MyAbstractLayer() {
>> setMouseModeIDsForEvents(new String[]{"Gestures"});
>> }
>>
>> protected abstract OMGraphicList drawObjects();
>>
>> protected abstract String getDetails(OMGraphic omg);
>>
>> _at_Override
>> public synchronized OMGraphicList prepare() {
>> return drawObjects();
>> }
>>
>> _at_Override
>> public java.util.List getItemsForOMGraphicMenu(OMGraphic omg) {
>> java.util.List items = new ArrayList();
>> items.add(new MyMenuItem(ShowDetails, omg));
>> return items;
>> }
>>
>> class MyMenuItem extends JMenuItem implements ActionListener {
>>
>> protected OMGraphic omg;
>>
>> public MyMenuItem(String label, OMGraphic omg) {
>> super(label);
>> this.omg = omg;
>> addActionListener(this);
>> }
>>
>> public MyMenuItem(String label) {
>> this(label, null);
>> }
>>
>> public void actionPerformed(ActionEvent e) {
>> String command = e.getActionCommand();
>> if (command == ShowDetails) {
>> System.out.println(getDetails(omg));
>> }
>> }
>> }
>> }
>> ******************************
>> package om;
>>
>> import java.awt.*;
>> import com.bbn.openmap.omGraphics.*;
>>
>> public class MyConcreteLayer1 extends MyAbstractLayer {
>>
>> protected OMGraphicList drawObjects() {
>> OMGraphicList gl = new OMGraphicList();
>> float[] points = {0, 0, 0, 20, 20, 20, 20, 0};
>> OMPoly shape = new OMPoly(points, OMGraphic.DECIMAL_DEGREES,
>> OMGraphic.LINETYPE_STRAIGHT);
>> shape.setIsPolygon(true);
>> shape.setLinePaint(Color.RED);
>> gl.add(shape);
>> gl.generate(getProjection());
>> return gl;
>> }
>>
>> protected String getDetails(OMGraphic omg) {
>> return "This is layer '" + getName() + "'";
>> }
>> }
>> *******************************
>> package om;
>>
>> import java.awt.*;
>> import com.bbn.openmap.omGraphics.*;
>>
>> public class MyConcreteLayer2 extends MyAbstractLayer {
>>
>> protected OMGraphicList drawObjects() {
>> OMGraphicList gl = new OMGraphicList();
>> float[] points = {10, 10, 10, 30, 30, 30, 30, 10};
>> OMPoly shape = new OMPoly(points, OMGraphic.DECIMAL_DEGREES,
>> OMGraphic.LINETYPE_STRAIGHT);
>> shape.setIsPolygon(true);
>> shape.setLinePaint(Color.BLUE);
>> gl.add(shape);
>> gl.generate(getProjection());
>> return gl;
>> }
>>
>> protected String getDetails(OMGraphic omg) {
>> return "This is layer '" + getName() + "'";
>> }
>> }
>> **********************************
>>
>> On Thu, Aug 6th, 2009 at 10:02 PM, "\"Carsten Ø. Madsen\""
>> <com_at_navicon..dk> wrote:
>>
>>
>>> Hi
>>>
>>> Look at the consumeEvents property of your layers. Maybe events
>>> bubble
>>> down or your own event handling lets the event pass down through the
>>>
>>> layer stack.
>>>
>>> BR
>>> Carsten
>>>
>>> On 08/06/2009 01:15 PM, Paul Chisholm wrote:
>>>
>>>> Hi,
>>>>
>>>> I seem to be having some sort of issue with layer ordering. I
>>>>
>>> understand
>>>
>>>> that the layers are displayed in the order they appear in the
>>>>
>>> layers
>>>
>>>> panel, with layers higher up being displayed over the top of
>>>>
>>> layers
>>>
>>>> lower down. I have created a number of subclasses of
>>>> OMGraphicHandlerLayer to display my own data. Each of these layers
>>>>
>>> has a
>>>
>>>> right-click context menu. What I observe when I have two layers (A
>>>>
>>> and
>>>
>>>> B) on display with A above B is that a right-click over an area of
>>>>
>>> the
>>>
>>>> display brings up the context menu for layer B rather than layer A.
>>>>
>>> If
>>>
>>>> If I reorder layers so that A is below B then a right-click
>>>>
>>> displays the
>>>
>>>> context menu for A. Any idea what I might be doing to cause this
>>>> behaviour?
>>>>
>>>> Thanks,
>>>> Paul
>>>>
>>>> --
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>>>> with the following text in the BODY of the message "unsubscribe
>>>> openmap-users"]
>>>>
>>> --
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>>>
>>>
>>>
>>>
>>
>>
>>
>>
>
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Received on Fri Aug 07 2009 - 23:36:58 EDT