wizardprocesspanel.java

eq跨平台查询工具源码 eq跨平台查询工具源码

     */
    protected void setHelpAction(Action a) {
        helpButton.setAction(a);
        helpButton.setIcon(null);
        helpButton.setText("Help");
    }

    /**
     * Sets the action for the help button to that specified with
     * the specified action command string.
     * This will also set a null icon value and set the button
     * text to 'Help'.
     *
     * @param a - the help action to be applied
     * @param actionCommand - the action command string
     */
    protected void setHelpAction(Action a, String actionCommand) {
        helpButton.setAction(a);
        helpButton.setIcon(null);
        helpButton.setText("Help");
        helpButton.setActionCommand(actionCommand);
    }

    /**
     * Sets the title label text to that specified.
     *
     * @param text - the title text
     */
    protected void setTitleLabelText(String text) {
        titleLabel.setText(text);
        Dimension dim = titleLabel.getSize();
        titleLabel.paintImmediately(0, 0, dim.width, dim.height);
    }

    /**
     * Returns whether the buttons are enabled.
     * If the buttons are not set enabled, any changes
     * to them using setEnabled(..) is ignored.
     *
     * @return true | false
     */
    public boolean isButtonsEnabled() {
        return buttonsEnabled;
    }

    /**
     * Sets the buttons to be enabled.
     *
     * @param buttonsEnabled - true | false
     */
    public void setButtonsEnabled(boolean buttonsEnabled) {
        this.buttonsEnabled = buttonsEnabled;
    }

    /**
     * Sets the text label on the next button to that specified.
     *
     * @param text - the 'NEXT' button text
     */
    public void setNextButtonText(String text) {
        nextButton.setText(text);
    }

    /**
     * Sets the text label on the back (previous) button to that specified.
     *
     * @param text - the 'BACK' button text
     */
    public void setBackButtonText(String text) {
        backButton.setText(text);
    }

    /**
     * Sets the text label on the cancel button to that specified.
     *
     * @param text - the 'CANCEL' button text
     */
    public void setCancelButtonText(String text) {
        cancelButton.setText(text);
    }

    /**
     * Enables/disables the next button.
     *
     * @param true | false
     */
    public void setNextButtonEnabled(boolean enable) {
        if (buttonsEnabled) {
            nextButton.setEnabled(enable);
        }
    }

    /**
     * Enables/disables the next button.
     *
     * @param true | false
     */
    public void setBackButtonEnabled(boolean enable) {
        if (buttonsEnabled) {
            backButton.setEnabled(enable);
        }
    }

    /**
     * Enables/disables the next button.
     *
     * @param true | false
     */
    public void setCancelButtonEnabled(boolean enable) {
        if (buttonsEnabled) {
            cancelButton.setEnabled(enable);
        }
    }

    /**
     * Returns the currently selected index.
     *
     * @return the current index
     */
    public int getSelectedIndex() {
        return model.getSelectedIndex();
    }
    

    /**
     * Adds the specified panel to the layout with the specified name.
     *
     * The name must be the string value of the index of the specified panel.
     *
     * @param panel - the panel
     * @param title - the layout name
     */
    public void addPanel(JPanel panel, String title) {
        rightPanel.add(panel, title);
    }

    /**
     * Enables/diables buttons based on the current selected index.
     */
    protected void resetButtons() {
        setNextButtonEnabled(model.hasNext());
        setBackButtonEnabled(model.hasPrevious());
    }
    
    /**
     * Performs the cancel action.
     */
    public abstract void cancel();

    /**
     * Performs the action on the selection on next.
     */
    protected void next() {
        if (model.hasNext() && model.next()) {
            int index = model.getSelectedIndex();
            String layoutName = String.valueOf(index);
            rightPanel.add(model.getPanelAt(index), layoutName);
            setTitleLabelText(model.getTitle(index));
            cardLayout.show(rightPanel, layoutName);
            setSelectedStep(index);
            resetButtons();
        }
    }

    /**
     * Performs the action on the selection on back.
     */
    protected void back() {
        if (model.hasPrevious() && model.previous()) {
            int index = model.getSelectedIndex();
            String layoutName = String.valueOf(index);
            setTitleLabelText(model.getTitle(index));
            cardLayout.show(rightPanel, layoutName);
            setSelectedStep(index);
            resetButtons();
        }
    }

    /**
     * Executes the actions associated with the button selctions.
     *
     * @param e - the originating event
     */
    public void actionPerformed(ActionEvent e) {
        Object source = e.getSource();
        if (source == nextButton) {
            next();
        }
        else if (source == backButton) {
            back();
        } 
        else if (source == cancelButton) {
            cancel();
        }
    }
    
    /**
     * Returns the wizard model for this instance.
     *
     * @return the model
     */
    public WizardProcessModel getModel() {
        return model;
    }

    /**
     * Sets the wizard model to that specified.
     *
     * @param model - the model to be used
     */
    public void setModel(WizardProcessModel model) {
        this.model = model;
    }
    
    // the top labels for each panel
    private class WizardLabel extends JLabel {
        
        public WizardLabel(String text, int alignment) {
            super(text, alignment);
        }
        
        public Dimension getPreferredSize() {
            return new Dimension(getParent().getWidth(), getHeight());
        }
     
    }
    
    // the steps left hand panel
    private class StepListPanel extends JPanel {
        
        private Color darkColor;
        private Color lightColor;
        
        public StepListPanel(LayoutManager layout) {
            super(layout);
            darkColor = UIUtils.getDefaultActiveBackgroundColour();
            lightColor = getBackground();
        }
        
        public void paintComponent(Graphics g) {
            Graphics2D g2 = (Graphics2D)g;
            /*
            g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING,
                                 RenderingHints.VALUE_ANTIALIAS_ON);
            */

            super.paintComponent(g);

            int width = getWidth();
            int height = getHeight();

            Paint originalPaint = g2.getPaint();
            GradientPaint fade = new GradientPaint(0, height, darkColor,
                    0, (int)(height * 0.2), lightColor);

            g2.setPaint(fade);
            g2.fillRect(0,0, width, height);

            g2.setPaint(originalPaint);
        }

        public boolean isOpaque() {
            return false;
        }

    }
    
    private class WizardStepLabel extends JLabel {
        
        public WizardStepLabel(int index, String text) {
            StringBuffer sb = new StringBuffer();
            sb.append("<html><table border=\"0\" cellpadding=\"2\"><tr><td valign=\"top\" nowrap>");
            sb.append(index);
            sb.append(".</td><td>");
            sb.append(text.replaceAll("\n", "<br>"));
            sb.append("</td></tr></table></html>");
            setText(sb.toString());
        }

        public boolean isOpaque() {
            return false;
        }
        
    }
    
}