design/designer-base/src/main/java/com/fr/design/mainframe/theme/ThemedCellStyleListPane.java

package com.fr.design.mainframe.theme;

import com.fr.base.theme.TemplateTheme;
import com.fr.base.theme.settings.ThemedCellStyle;
import com.fr.design.beans.FurtherBasicBeanPane;
import com.fr.design.cell.CellRectangleStylePreviewPane;
import com.fr.design.file.HistoryTemplateListCache;
import com.fr.design.gui.ibutton.UIRadioButton;
import com.fr.design.i18n.Toolkit;
import com.fr.design.layout.FRGUIPaneFactory;
import com.fr.design.mainframe.DesignerBean;
import com.fr.design.mainframe.JTemplate;
import com.fr.general.ComparatorUtils;
import com.fr.general.IOUtils;

import javax.swing.BorderFactory;
import javax.swing.DefaultListModel;
import javax.swing.Icon;
import javax.swing.JList;
import javax.swing.JPanel;
import javax.swing.ListCellRenderer;
import javax.swing.event.ChangeEvent;
import javax.swing.event.ChangeListener;
import javax.swing.event.ListSelectionEvent;
import javax.swing.event.ListSelectionListener;
import java.awt.BorderLayout;
import java.awt.Component;
import java.awt.Dimension;
import java.awt.Graphics;
import java.io.Serializable;
import java.util.List;

public class ThemedCellStyleListPane extends FurtherBasicBeanPane<ThemedCellStyle> implements DesignerBean {

    private static final int LEFT_BORDER = 10;
    private static final int RIGHT_BORDER = 10;
    private final DefaultListModel<ThemedCellStyle> defaultListModel;
    private final JList<ThemedCellStyle> styleList;
    private ChangeListener changeListener;

    public ThemedCellStyleListPane(boolean supportInnerBorder) {
        defaultListModel = new DefaultListModel<>();
        styleList = new JList<>(defaultListModel);
        styleList.setCellRenderer(new RadioButtonListCellRangeRenderer(supportInnerBorder));
        styleList.setOpaque(false);
        styleList.setBackground(null);
        styleList.addListSelectionListener(new ListSelectionListener() {
            @Override
            public void valueChanged(ListSelectionEvent e) {
                if (e.getValueIsAdjusting() && changeListener != null) {
                    changeListener.stateChanged(new ChangeEvent(styleList));
                }
            }
        });
        setLayout(FRGUIPaneFactory.createBorderLayout());
        add(styleList, BorderLayout.CENTER);
        setBorder(BorderFactory.createEmptyBorder(0 ,LEFT_BORDER, 0, RIGHT_BORDER));
    }

    public void addChangeListener(ChangeListener changeListener) {
        this.changeListener = changeListener;
    }

    /**
     * 重置
     */
    public void reset() {
        refreshBeanElement();
        styleList.setSelectedIndex(0);
    }

    @Override
    public void populateBean(ThemedCellStyle ob) {
        refreshBeanElement();
        if (ob == null) {
            styleList.setSelectedIndex(0);
            return;
        }
        for (int i = 0; i < defaultListModel.getSize(); i++) {
            if (ComparatorUtils.equals(ob.getName(), defaultListModel.get(i).getName())) {
                styleList.setSelectedIndex(i);
                break;
            }
        }
    }

    @Override
    public ThemedCellStyle updateBean() {
        return styleList.getSelectedValue();
    }

    @Override
    public String title4PopupWindow() {
        return Toolkit.i18nText("Fine-Design_Report_Predefined_Style");
    }

    @Override
    public boolean accept(Object ob) {
        return ob instanceof ThemedCellStyle;
    }

    @Override
    public void refreshBeanElement() {
        defaultListModel.removeAllElements();
        JTemplate<?, ?> template = HistoryTemplateListCache.getInstance().getCurrentEditingTemplate();
        if (template != null) {
            TemplateTheme theme = template.getTemplateTheme();
            List<ThemedCellStyle> styleList = theme.getCellStyleList().getCellStyleList();
            for (ThemedCellStyle themedCellStyle: styleList) {
                defaultListModel.addElement(themedCellStyle);
            }
        }
        styleList.setModel(defaultListModel);
    }

    private static class RadioButtonListCellRangeRenderer extends JPanel implements ListCellRenderer<ThemedCellStyle>, Serializable {

        private static final Icon selectedMarkIcon = IOUtils.readIcon("/com/fr/design/form/images/marked.png");

        private final CellRectangleStylePreviewPane previewArea;
        private boolean selected = false;

        public RadioButtonListCellRangeRenderer(boolean supportInnerBorder) {
            super();
            setLayout(new BorderLayout(5, 0));
            setBorder(BorderFactory.createEmptyBorder(5, 0, 5, 0));
            previewArea = new CellRectangleStylePreviewPane(supportInnerBorder);
            add(previewArea, BorderLayout.CENTER);
        }

        @Override
        public Component getListCellRendererComponent(JList<? extends ThemedCellStyle> list, ThemedCellStyle value, int index, boolean isSelected, boolean cellHasFocus) {
            this.selected = isSelected;
            previewArea.setPlainText(value.getName());
            previewArea.setStyle(value.getStyle(), value.getCellBorderStyle());

            int preferredWidth = list.getWidth() - 15;
            preferredWidth = Math.max(0, preferredWidth);
            int preferredHeight = 0;
            previewArea.setPreferredSize(new Dimension(preferredWidth, preferredHeight));

            return this;
        }

        @Override
        public void paint(Graphics g) {
            super.paint(g);

            if (selected) {
                selectedMarkIcon.paintIcon(this, g, getWidth() - selectedMarkIcon.getIconWidth(), 5);
            }
        }
    }
}