omdrawingtoollauncher.java

openmap java写的开源数字地图程序. 用applet实现,可以像google map 那样放大缩小地图.

    }

    /**
     * Build the stuff that goes in the launcher.
     */
    public void resetGUI() {
        removeAll();

        JPanel palette = new JPanel();
        palette.setLayout(new BoxLayout(palette, BoxLayout.Y_AXIS));
        palette.setAlignmentX(Component.CENTER_ALIGNMENT); // LEFT
        palette.setAlignmentY(Component.CENTER_ALIGNMENT); // BOTTOM

        String[] requestorNames = new String[drawingToolRequestors.size()];

        if (Debug.debugging("omdtl")) {
            Debug.output("Have " + requestorNames.length + " REQUESTORS");
        }

        for (int i = 0; i < requestorNames.length; i++) {
            requestorNames[i] = ((DrawingToolRequestor) drawingToolRequestors.elementAt(i)).getName();
            if (requestorNames[i] == null) {
                Debug.output("OMDrawingToolLauncher has a requestor that is unnamed.  Please assign a name to the requestor");
                requestorNames[i] = "-- Unnamed --";
            }
            if (Debug.debugging("omdtl")) {
                Debug.output("Adding REQUESTOR " + requestorNames[i]
                        + " to menu");
            }
        }

        Object oldChoice = null;
        if (requestors != null) {
            oldChoice = requestors.getSelectedItem();
        }

        requestors = new JComboBox(requestorNames);
        requestors.addActionListener(new ActionListener() {
            public void actionPerformed(ActionEvent e) {
                JComboBox jcb = (JComboBox) e.getSource();
                String currentChoice = (String) jcb.getSelectedItem();
                setCurrentRequestor(currentChoice);
            }
        });

        if (requestorNames.length > 0) {
            if (oldChoice == null) {
                requestors.setSelectedIndex(0);
            } else {
                requestors.setSelectedItem(oldChoice);
            }
        }

        JPanel panel = PaletteHelper.createPaletteJPanel(i18n.get(OMDrawingToolLauncher.class,
                "panelSendTo",
                "Send To:"));
        panel.add(requestors);
        palette.add(panel);

        if (Debug.debugging("omdtl")) {
            Debug.output("Figuring out tools, using names");
        }

        panel = PaletteHelper.createPaletteJPanel(i18n.get(OMDrawingToolLauncher.class,
                "panelGraphicType",
                "Graphic Type:"));
        panel.add(getToolWidgets(useTextEditToolTitles));
        palette.add(panel);

        String[] renderTypes = new String[3];

        renderTypes[OMGraphic.RENDERTYPE_LATLON - 1] = rtc[0];
        renderTypes[OMGraphic.RENDERTYPE_XY - 1] = rtc[1];
        renderTypes[OMGraphic.RENDERTYPE_OFFSET - 1] = rtc[2];

        JComboBox renderTypeList = new JComboBox(renderTypes);
        renderTypeList.addActionListener(new ActionListener() {
            public void actionPerformed(ActionEvent e) {
                JComboBox jcb = (JComboBox) e.getSource();
                String currentChoice = (String) jcb.getSelectedItem();
                if (currentChoice == rtc[2]) {
                    defaultGraphicAttributes.setRenderType(OMGraphic.RENDERTYPE_OFFSET);
                } else if (currentChoice == rtc[1]) {
                    defaultGraphicAttributes.setRenderType(OMGraphic.RENDERTYPE_XY);
                } else {
                    defaultGraphicAttributes.setRenderType(OMGraphic.RENDERTYPE_LATLON);
                }
            }
        });

        renderTypeList.setSelectedIndex(defaultGraphicAttributes.getRenderType() - 1);

        panel = PaletteHelper.createVerticalPanel(i18n.get(OMDrawingToolLauncher.class,
                "panelGraphicAttributes",
                "Graphic Attributes:"));
        panel.setLayout(new BoxLayout(panel, BoxLayout.Y_AXIS));

        JPanel panel2 = PaletteHelper.createVerticalPanel(i18n.get(OMDrawingToolLauncher.class,
                "panelRenderingType",
                "Rendering Type:"));
        panel2.add(renderTypeList);
        JPanel panel3 = PaletteHelper.createVerticalPanel(i18n.get(OMDrawingToolLauncher.class,
                "panelLineColorTypes",
                "Line Types and Colors:"));
        panel3.add(defaultGraphicAttributes.getGUI());
        panel.add(panel2);
        panel.add(panel3);
        palette.add(panel);

        JButton createButton = new JButton(i18n.get(OMDrawingToolLauncher.class,
                "createButton",
                "Create Graphic"));
        createButton.setActionCommand(CreateCmd);
        createButton.addActionListener(this);

        JPanel dismissBox = new JPanel();
        JButton dismiss = new JButton(i18n.get(OMDrawingToolLauncher.class,
                "dismiss",
                "Close"));
        dismissBox.setLayout(new BoxLayout(dismissBox, BoxLayout.X_AXIS));
        dismissBox.setAlignmentX(Component.CENTER_ALIGNMENT);
        dismissBox.setAlignmentY(Component.BOTTOM_ALIGNMENT);
        dismissBox.add(createButton);
        dismissBox.add(dismiss);

        setLayout(new BoxLayout(this, BoxLayout.Y_AXIS));
        setAlignmentX(Component.CENTER_ALIGNMENT);
        setAlignmentY(Component.BOTTOM_ALIGNMENT);
        add(palette);
        add(dismissBox);

        dismiss.addActionListener(new ActionListener() {
            public void actionPerformed(ActionEvent e) {
                getWindowSupport().killWindow();
            }
        });
    }

    protected JComponent getToolWidgets() {
        JPanel iconBar = new JPanel();
        // this parameters should be read from properties!
        iconBar.setLayout(new GridLayout(2, 4));
        ButtonGroup bg = new ButtonGroup();
        JToggleButton btn = null;
        boolean setFirstButtonSelected = true;

        for (Iterator it = getLoaders(); it.hasNext();) {
            LoaderHolder lh = (LoaderHolder) it.next();
            String pName = lh.prettyName;
            EditToolLoader etl = lh.loader;
            ImageIcon icon = etl.getIcon(getEditableClassName(pName));
            btn = new JToggleButton(icon);
            btn.setMargin(new Insets(0, 0, 0, 0));
            btn.setToolTipText(pName);
            btn.setActionCommand(pName);
            btn.addActionListener(new ActionListener() {
                public void actionPerformed(ActionEvent ae) {
                    setCurrentCreation(ae.getActionCommand());
                }
            });
            if (setFirstButtonSelected) {
                btn.setSelected(true);
                setCurrentCreation(pName);
                setFirstButtonSelected = false;
            }
            bg.add(btn);
            iconBar.add(btn);
        }
        return iconBar;
    }

    protected JComponent getToolWidgets(boolean useText) {

        if (useText) {
            // Set editables with all the pretty names.
            Vector editables = new Vector();

            for (Iterator it = getLoaders(); it.hasNext();) {
                LoaderHolder lh = (LoaderHolder) it.next();
                editables.add(lh.prettyName);
            }

            return createToolOptionMenu(editables);
        } else {
            return createToolButtonPanel();
        }
    }

    private JComboBox createToolOptionMenu(Vector editables) {
        String[] toolNames = new String[editables.size()];
        for (int i = 0; i < toolNames.length; i++) {
            toolNames[i] = (String) editables.elementAt(i);
            if (Debug.debugging("omdtl")) {
                Debug.output("Adding TOOL " + toolNames[i] + " to menu");
            }
        }

        JComboBox tools = new JComboBox(toolNames);
        tools.addActionListener(new ActionListener() {
            public void actionPerformed(ActionEvent e) {
                JComboBox jcb = (JComboBox) e.getSource();
                String currentChoice = (String) jcb.getSelectedItem();
                setCurrentCreation(currentChoice);
            }
        });

        if (toolNames.length > 0) {
            tools.setSelectedIndex(0);
        }

        return tools;
    }

    private JPanel createToolButtonPanel() {
        // Otherwise, create a set of buttons.
        JPanel panel = new JPanel();
        GridBagLayout gridbag = new GridBagLayout();
        GridBagConstraints c = new GridBagConstraints();
        c.gridwidth = GridBagConstraints.REMAINDER;

        panel.setLayout(gridbag);

        ButtonGroup bg = new ButtonGroup();

        int toolbarCount = 0;
        boolean limitWidth = false;
        if (maxHorNumLoaderButtons >= 0) {
            limitWidth = true;
        }

        JToggleButton btn;
        JToolBar iconBar = null;
        boolean activeSet = false;
        for (Iterator it = getLoaders(); it.hasNext();) {

            if (toolbarCount == 0) {
                iconBar = new JToolBar();
                iconBar.setFloatable(false);
                gridbag.setConstraints(iconBar, c);
                panel.add(iconBar);
            }

            LoaderHolder lh = (LoaderHolder) it.next();
            String pName = lh.prettyName;
            EditToolLoader etl = lh.loader;
            ImageIcon icon = etl.getIcon(getEditableClassName(pName));

            btn = new JToggleButton(icon, !activeSet);
            btn.setToolTipText(pName);
            btn.setActionCommand(pName);
            btn.addActionListener(new ActionListener() {
                public void actionPerformed(ActionEvent ae) {
                    setCurrentCreation(ae.getActionCommand());
                }
            });
            bg.add(btn);

            if (iconBar != null) {
                iconBar.add(btn);
            }

            toolbarCount++;

            // Just set one as active, the first one.
            if (!activeSet) {
                setCurrentCreation(pName);
                activeSet = true;
            }

            if (limitWidth && toolbarCount >= maxHorNumLoaderButtons) {
                toolbarCount = 0;
            }
        }

        return panel;
    }

    /**
     * Set the component that will receive the new/edited OMGraphic
     * from the DrawingTool. Does not change the GUI. Called when the
     * combo box changes.
     * 
     * @param name GUI pretty name of requestor.
     */
    public void setCurrentRequestor(String name) {
        Enumeration objs = drawingToolRequestors.elements();