Examples of org.openstreetmap.josm.actions.mapmode.MapMode

Package org.openstreetmap.josm.actions.mapmode

Examples of org.openstreetmap.josm.actions.mapmode.MapMode

org.openstreetmap.josm.actions.mapmode.MapMode
A class implementing MapMode is able to be selected as an mode for map editing. As example scrolling the map is a MapMode, connecting Nodes to new Ways is another. MapModes should register/deregister all necessary listeners on the map's view control.

     */
    public boolean selectMapMode(MapMode newMapMode, Layer newLayer) {
        if (newMapMode == null || !newMapMode.layerIsSupported(newLayer))
            return false;


        MapMode oldMapMode = this.mapMode;
        if (newMapMode == oldMapMode)
            return true;
        if (oldMapMode != null) {
            oldMapMode.exitMode();
        }
        this.mapMode = newMapMode;
        newMapMode.enterMode();
        lastMapMode.put(newLayer, newMapMode);
        fireMapModeChanged(oldMapMode, newMapMode);

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    @Override
    public void activeLayerChange(Layer oldLayer, Layer newLayer) {
        boolean modeChanged = false;
        if (mapMode == null || !mapMode.layerIsSupported(newLayer)) {
            MapMode newMapMode = getLastMapMode(newLayer);
            modeChanged = newMapMode != mapMode;
            if (newMapMode != null) {
                selectMapMode(newMapMode, newLayer); // it would be nice to select first supported mode when layer is first selected, but it don't work well with for example editgpx layer
            } else if (mapMode != null) {
                mapMode.exitMode(); // if new mode is null - simply exit from previous mode

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        });
    }




    private MapMode getLastMapMode(Layer newLayer) {
        MapMode mode = lastMapMode.get(newLayer);
        if (mode == null) {
            // if no action is selected - try to select default action
            Action defaultMode = getDefaultButtonAction();
            if (defaultMode instanceof MapMode && ((MapMode)defaultMode).layerIsSupported(newLayer)) {
                mode = (MapMode) defaultMode;

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        /* This only makes the buttons look disabled. Disabling the actions as well requires
         * the user to re-select the tool after i.e. moving a layer. While testing I found
         * that I switch layers and actions at the same time and it was annoying to mind the
         * order. This way it works as visual clue for new users */
        for (final AbstractButton b: Main.map.allMapModeButtons) {
            MapMode mode = (MapMode)b.getAction();
            if (mode.layerIsSupported(layer)) {
                Main.registerActionShortcut(mode, mode.getShortcut()); //fix #6876
                GuiHelper.runInEDTAndWait(new Runnable() {
                    @Override public void run() {
                        b.setEnabled(true);
                    }
                });
            } else {
                Main.unregisterShortcut(mode.getShortcut());
                GuiHelper.runInEDTAndWait(new Runnable() {
                    @Override public void run() {
                        b.setEnabled(false);
                    }
                });

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Related Classes of org.openstreetmap.josm.actions.mapmode.MapMode

org.openstreetmap.josm.gui.MapFrame

org.openstreetmap.josm.gui.MapView

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