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613 lines
24 KiB
613 lines
24 KiB
6 years ago
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package com.fanruan.api.design.work;
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import com.fanruan.api.design.DesignKit;
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import com.fanruan.api.design.ui.component.UIButton;
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import com.fanruan.api.design.ui.component.UIComboBox;
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import com.fanruan.api.design.ui.component.UIToggleButton;
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import com.fanruan.api.log.LogKit;
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import com.fanruan.api.util.GeneralKit;
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import com.fanruan.api.util.IOKit;
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import com.fr.base.BaseFormula;
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import com.fr.design.dialog.BasicPane;
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import com.fr.design.dialog.DialogActionAdapter;
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import com.fr.design.formula.FormulaFactory;
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import com.fr.design.formula.UIFormula;
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import com.fr.design.gui.style.FRFontPane;
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import com.fr.design.mainframe.DesignerContext;
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import com.fr.design.report.RichTextEditingPane;
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import com.fr.design.report.RichTextPane;
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import com.fr.design.style.color.UIToolbarColorButton;
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import com.fr.general.FRFont;
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import com.fr.report.cell.cellattr.core.RichTextConverter;
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import com.fr.stable.Constants;
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import javax.swing.*;
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import javax.swing.event.CaretEvent;
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import javax.swing.event.CaretListener;
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import javax.swing.event.ChangeEvent;
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import javax.swing.event.ChangeListener;
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import javax.swing.event.DocumentEvent;
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import javax.swing.event.DocumentListener;
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import javax.swing.text.AttributeSet;
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import javax.swing.text.BadLocationException;
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import javax.swing.text.Element;
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import javax.swing.text.MutableAttributeSet;
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import javax.swing.text.SimpleAttributeSet;
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import javax.swing.text.StyleConstants;
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import javax.swing.text.StyledDocument;
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import java.awt.*;
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import java.awt.event.ActionEvent;
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import java.awt.event.ActionListener;
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import java.awt.event.ItemEvent;
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import java.awt.event.ItemListener;
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import java.awt.event.MouseAdapter;
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import java.awt.event.MouseEvent;
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import java.awt.event.MouseListener;
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import java.math.BigDecimal;
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/**
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* @author richie
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* @version 10.0
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* Created by richie on 2019/10/25
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* 富文本编辑器工具栏
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*/
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public class RichTextToolBar extends BasicPane {
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private static final Dimension BUTTON_SIZE = new Dimension(24, 20);
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private static final int NOT_INITIALIZED = -1;
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private static final int UPDATING = -2;
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private int inputStart = NOT_INITIALIZED;
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private UIComboBox<String> fontNameComboBox;
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private UIComboBox<Integer> fontSizeComboBox;
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private UIToggleButton bold;
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private UIToggleButton italic;
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private UIToggleButton underline;
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private UIToolbarColorButton colorSelectPane;
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private UIToggleButton superPane;
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private UIToggleButton subPane;
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private UIToggleButton formulaPane;
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//外部传进来的
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private RichTextEditingPane textPane;
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public RichTextToolBar() {
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this.initComponents();
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}
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public RichTextToolBar(RichTextEditingPane textPane) {
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this.textPane = textPane;
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this.initComponents();
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}
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@Override
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protected String title4PopupWindow() {
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return DesignKit.i18nText("Fine-Design_Form_Font");
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}
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protected void initComponents() {
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//初始化并设置所有按钮样式
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initAllButton();
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//添加到工具栏
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addToToolBar();
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}
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private void initAllButton() {
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fontNameComboBox = new UIComboBox<>(GeneralKit.getAvailableFontFamilyNames());
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fontNameComboBox.setPreferredSize(new Dimension(144, 20));
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fontSizeComboBox = new UIComboBox<>(FRFontPane.getFontSizes());
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colorSelectPane = new UIToolbarColorButton(IOKit.readIcon("/com/fr/design/images/gui/color/foreground.png"));
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colorSelectPane.set4Toolbar();
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bold = new UIToggleButton(IOKit.readIcon("/com/fr/design/images/m_format/cellstyle/bold.png"));
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italic = new UIToggleButton(IOKit.readIcon("/com/fr/design/images/m_format/cellstyle/italic.png"));
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underline = new UIToggleButton(IOKit.readIcon("/com/fr/design/images/m_format/cellstyle/underline.png"));
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superPane = new UIToggleButton(IOKit.readIcon("/com/fr/design/images/m_format/cellstyle/sup.png"));
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subPane = new UIToggleButton(IOKit.readIcon("/com/fr/design/images/m_format/cellstyle/sub.png"));
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formulaPane = new UIToggleButton(IOKit.readIcon("/com/fr/design/images/m_insert/formula.png"));
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//名字
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initAllNames();
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//悬浮提示
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setToolTips();
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//样式
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setAllButtonStyle();
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//绑定监听器
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bindListener();
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}
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private void setAllButtonStyle() {
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setButtonStyle(bold);
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setButtonStyle(italic);
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setButtonStyle(underline);
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setButtonStyle(subPane);
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setButtonStyle(superPane);
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setButtonStyle(formulaPane);
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}
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private void setButtonStyle(UIButton button) {
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button.setNormalPainted(false);
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button.setBackground(null);
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button.setOpaque(false);
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button.setPreferredSize(BUTTON_SIZE);
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button.setBorderPaintedOnlyWhenPressed(true);
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}
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private void addToToolBar() {
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this.setLayout(new FlowLayout(FlowLayout.LEFT));
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this.add(fontNameComboBox);
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this.add(fontSizeComboBox);
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this.add(bold);
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this.add(italic);
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this.add(underline);
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this.add(colorSelectPane);
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this.add(superPane);
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this.add(subPane);
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this.add(formulaPane);
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}
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private void bindListener() {
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FRFont defaultFont = (this.textPane != null) ? FRFont.getInstance(this.textPane.getFont()) : RichTextPane.DEFAUL_FONT;
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fontNameComboBox.addItemListener(fontNameItemListener);
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fontNameComboBox.setSelectedItem(defaultFont.getFontName());
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fontSizeComboBox.addItemListener(fontSizeItemListener);
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fontSizeComboBox.setSelectedItem(scaleDown(defaultFont.getSize()));
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bold.addActionListener(blodChangeAction);
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italic.addActionListener(itaChangeAction);
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underline.addActionListener(underlineChangeAction);
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subPane.addActionListener(subChangeAction);
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superPane.addActionListener(superChangeAction);
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colorSelectPane.addColorChangeListener(colorChangeAction);
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formulaPane.addActionListener(formulaActionListener);
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//选中文字的监听器
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textPane.addCaretListener(textCareListener);
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textPane.addMouseListener(setMouseCurrentStyle);
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textPane.getDocument().addDocumentListener(inputListener);
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}
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private void initAllNames() {
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fontNameComboBox.setGlobalName(DesignKit.i18nText("Fine-Design_Report_Font_Family"));
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fontSizeComboBox.setGlobalName(DesignKit.i18nText("Fine-Design_Form_Font_Size"));
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italic.setGlobalName(DesignKit.i18nText("Fine-Design_Report_Italic"));
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bold.setGlobalName(DesignKit.i18nText("Fine-Design_Report_Bold"));
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underline.setGlobalName(DesignKit.i18nText("Fine-Design_Report_Underline"));
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superPane.setGlobalName(DesignKit.i18nText("Fine-Design_Report_Super_Script"));
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subPane.setGlobalName(DesignKit.i18nText("Fine-Design_Report_Sub_Script"));
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}
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private void setToolTips() {
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colorSelectPane.setToolTipText(DesignKit.i18nText("Fine-Design_Report_Foreground"));
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italic.setToolTipText(DesignKit.i18nText("Fine-Design_Report_Italic"));
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bold.setToolTipText(DesignKit.i18nText("Fine-Design_Report_Bold"));
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underline.setToolTipText(DesignKit.i18nText("Fine-Design_Report_Underline"));
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superPane.setToolTipText(DesignKit.i18nText("Fine-Design_Report_Super_Script"));
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subPane.setToolTipText(DesignKit.i18nText("Fine-Design_Report_Sub_Script"));
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formulaPane.setToolTipText(DesignKit.i18nText("Fine-Design_Basic_Formula"));
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}
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/**
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* 移除输入监听
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* 用于populate时, 插入字符串, 那时不需要插入监听
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*/
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public void removeInputListener() {
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this.textPane.getDocument().removeDocumentListener(inputListener);
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}
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/**
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* 增加输入监听事件
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*/
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public void addInputListener() {
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this.textPane.getDocument().addDocumentListener(inputListener);
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}
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private ActionListener blodChangeAction = new ActionListener() {
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@Override
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public void actionPerformed(ActionEvent e) {
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boolean isBold = RichTextToolBar.this.bold.isSelected();
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// 调用setCharacterAttributes函数设置文本区选择文本的字体
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MutableAttributeSet attr = new SimpleAttributeSet();
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StyleConstants.setBold(attr, !isBold);
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setCharacterAttributes(RichTextToolBar.this.textPane, attr, false);
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}
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};
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private ActionListener itaChangeAction = new ActionListener() {
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@Override
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public void actionPerformed(ActionEvent e) {
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boolean isIta = RichTextToolBar.this.italic.isSelected();
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// 调用setCharacterAttributes函数设置文本区选择文本的字体
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MutableAttributeSet attr = new SimpleAttributeSet();
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StyleConstants.setItalic(attr, !isIta);
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setCharacterAttributes(RichTextToolBar.this.textPane, attr, false);
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}
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};
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private ActionListener underlineChangeAction = new ActionListener() {
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@Override
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public void actionPerformed(ActionEvent e) {
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boolean isUnder = RichTextToolBar.this.underline.isSelected();
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// 调用setCharacterAttributes函数设置文本区选择文本的字体
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MutableAttributeSet attr = new SimpleAttributeSet();
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StyleConstants.setUnderline(attr, !isUnder);
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setCharacterAttributes(RichTextToolBar.this.textPane, attr, false);
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}
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};
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private ActionListener subChangeAction = new ActionListener() {
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@Override
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public void actionPerformed(ActionEvent e) {
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boolean isSub = RichTextToolBar.this.subPane.isSelected();
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// 调用setCharacterAttributes函数设置文本区选择文本的字体
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MutableAttributeSet attr = new SimpleAttributeSet();
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StyleConstants.setSubscript(attr, !isSub);
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setCharacterAttributes(RichTextToolBar.this.textPane, attr, false);
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}
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};
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private ActionListener superChangeAction = new ActionListener() {
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@Override
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public void actionPerformed(ActionEvent e) {
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boolean isSuper = RichTextToolBar.this.superPane.isSelected();
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// 调用setCharacterAttributes函数设置文本区选择文本的字体
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MutableAttributeSet attr = new SimpleAttributeSet();
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StyleConstants.setSuperscript(attr, !isSuper);
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setCharacterAttributes(RichTextToolBar.this.textPane, attr, false);
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}
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};
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private ChangeListener colorChangeAction = new ChangeListener() {
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@Override
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public void stateChanged(ChangeEvent e) {
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Color color = RichTextToolBar.this.colorSelectPane.getColor();
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color = color == null ? Color.BLACK : color;
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// 调用setCharacterAttributes函数设置文本区选择文本的字体
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MutableAttributeSet attr = new SimpleAttributeSet();
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StyleConstants.setForeground(attr, color);
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setCharacterAttributes(RichTextToolBar.this.textPane, attr, false);
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}
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};
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// 设置文本区选择文本的样式
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private void setCharacterAttributes(JEditorPane editor, AttributeSet attr,
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boolean replace) {
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//注意不要失焦
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textPane.requestFocus();
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// 取得选择文本的起始位置和结束位置
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int start = editor.getSelectionStart();
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int end = editor.getSelectionEnd();
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// 如果选中文本，设置选中文本的样式
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if (start != end) {
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StyledDocument doc = (StyledDocument) textPane.getDocument();
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// 将所选文本设置为新的样式，replace为false表示不覆盖原有的样式
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doc.setCharacterAttributes(start, end - start, attr, replace);
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}
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}
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private ItemListener fontSizeItemListener = new ItemListener() {
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@Override
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public void itemStateChanged(ItemEvent e) {
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int fontSize = (Integer) RichTextToolBar.this.fontSizeComboBox.getSelectedItem();
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fontSize = scaleUp(fontSize);
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// 调用setCharacterAttributes函数设置文本区选择文本的字体
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MutableAttributeSet attr = new SimpleAttributeSet();
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StyleConstants.setFontSize(attr, fontSize);
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setCharacterAttributes(RichTextToolBar.this.textPane, attr, false);
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}
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};
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private ItemListener fontNameItemListener = new ItemListener() {
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@Override
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public void itemStateChanged(ItemEvent e) {
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String fontName = (String) RichTextToolBar.this.fontNameComboBox.getSelectedItem();
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// 调用setCharacterAttributes函数设置文本区选择文本的字体
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MutableAttributeSet attr = new SimpleAttributeSet();
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StyleConstants.setFontFamily(attr, fontName);
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setCharacterAttributes(RichTextToolBar.this.textPane, attr, false);
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}
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};
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private ActionListener formulaActionListener = new ActionListener() {
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public void actionPerformed(ActionEvent evt) {
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final UIFormula formulaPane = FormulaFactory.createFormulaPane();
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formulaPane.populate(BaseFormula.createFormulaBuilder().build());
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formulaPane.showLargeWindow(DesignerContext.getDesignerFrame(), new DialogActionAdapter() {
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@Override
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public void doOk() {
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StyledDocument doc = (StyledDocument) textPane.getDocument();
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BaseFormula fm = formulaPane.update();
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String content = RichTextConverter.asFormula(fm.getContent());
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int start = textPane.getSelectionStart();
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AttributeSet attrs = start > 0 ? doc.getCharacterElement(start - 1).getAttributes() : new SimpleAttributeSet();
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try {
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doc.insertString(start, content, attrs);
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} catch (BadLocationException e) {
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LogKit.error(e.getMessage(), e);
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}
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}
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}).setVisible(true);
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}
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};
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private int roundUp(double num) {
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|
String numStr = Double.toString(num);
|
||
|
|
numStr = new BigDecimal(numStr).setScale(0, BigDecimal.ROUND_HALF_UP).toString();
|
||
|
|
return Integer.parseInt(numStr);
|
||
|
|
}
|
||
|
|
|
||
|
|
private CaretListener textCareListener = new CaretListener() {
|
||
|
|
|
||
|
|
//根据选中部分的文字样式, 来动态显示工具栏上按钮的状态
|
||
|
|
private void setSelectedCharStyle(int start, int end, StyledDocument doc) {
|
||
|
|
boolean isBold = true;
|
||
|
|
boolean isItalic = true;
|
||
|
|
boolean isUnderline = true;
|
||
|
|
boolean isSubscript = true;
|
||
|
|
boolean isSuperscript = true;
|
||
|
|
String fontName_1st = null;
|
||
|
|
int fontSize_1st = 0;
|
||
|
|
Color fontColor_1st = null;
|
||
|
|
|
||
|
|
for (int i = start; i < end; i++) {
|
||
|
|
Element ele = doc.getCharacterElement(i);
|
||
|
|
AttributeSet attrs = ele.getAttributes();
|
||
|
|
|
||
|
|
//粗体
|
||
|
|
isBold = isBold && StyleConstants.isBold(attrs);
|
||
|
|
//斜体
|
||
|
|
isItalic = isItalic && StyleConstants.isItalic(attrs);
|
||
|
|
//下划线
|
||
|
|
isUnderline = isUnderline && StyleConstants.isUnderline(attrs);
|
||
|
|
//下标
|
||
|
|
isSubscript = isSubscript && StyleConstants.isSubscript(attrs);
|
||
|
|
//上标
|
||
|
|
isSuperscript = isSuperscript && StyleConstants.isSuperscript(attrs);
|
||
|
|
|
||
|
|
if (i == start) {
|
||
|
|
fontName_1st = (String) attrs.getAttribute(StyleConstants.FontFamily);
|
||
|
|
fontSize_1st = (Integer) attrs.getAttribute(StyleConstants.FontSize);
|
||
|
|
fontColor_1st = (Color) attrs.getAttribute(StyleConstants.Foreground);
|
||
|
|
fontColor_1st = fontColor_1st == null ? Color.BLACK : fontColor_1st;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
setButtonSelected(isBold, isItalic, isUnderline, isSubscript, isSuperscript,
|
||
|
|
fontName_1st, fontSize_1st, fontColor_1st);
|
||
|
|
}
|
||
|
|
|
||
|
|
//动态显示工具栏上按钮的状态
|
||
|
|
private void setButtonSelected(boolean isBold, boolean isItalic, boolean isUnderline,
|
||
|
|
boolean isSubscript, boolean isSuperscript, String fontName_1st,
|
||
|
|
int fontSize_1st, Color fontColor_1st) {
|
||
|
|
bold.setSelected(isBold);
|
||
|
|
italic.setSelected(isItalic);
|
||
|
|
underline.setSelected(isUnderline);
|
||
|
|
subPane.setSelected(isSubscript);
|
||
|
|
superPane.setSelected(isSuperscript);
|
||
|
|
//为什么字体名称, 大小, 颜色, 不需要去判断是否全相同呢
|
||
|
|
//因为如果全相同, 则设置为第一个字符的样式, 如果不全相同, 那么默认也设置成第一个字符的样式.
|
||
|
|
fontNameComboBox.setSelectedItem(fontName_1st);
|
||
|
|
fontSizeComboBox.removeItemListener(fontSizeItemListener);
|
||
|
|
fontSizeComboBox.setSelectedItem(scaleDown(fontSize_1st));
|
||
|
|
fontSizeComboBox.addItemListener(fontSizeItemListener);
|
||
|
|
selectColorPane(fontColor_1st);
|
||
|
|
}
|
||
|
|
|
||
|
|
private void selectColorPane(Color color) {
|
||
|
|
colorSelectPane.removeColorChangeListener(colorChangeAction);
|
||
|
|
colorSelectPane.setColor(color);
|
||
|
|
colorSelectPane.addColorChangeListener(colorChangeAction);
|
||
|
|
}
|
||
|
|
|
||
|
|
@Override
|
||
|
|
public void caretUpdate(CaretEvent e) {
|
||
|
|
StyledDocument doc = (StyledDocument) textPane.getDocument();
|
||
|
|
|
||
|
|
// 取得选择文本的起始位置和结束位置
|
||
|
|
int start = textPane.getSelectionStart();
|
||
|
|
int end = textPane.getSelectionEnd();
|
||
|
|
|
||
|
|
//如果没有选定字符
|
||
|
|
if (end == start) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
setSelectedCharStyle(start, end, doc);
|
||
|
|
}
|
||
|
|
};
|
||
|
|
|
||
|
|
//设置当前光标位样式
|
||
|
|
private MouseListener setMouseCurrentStyle = new MouseAdapter() {
|
||
|
|
|
||
|
|
@Override
|
||
|
|
public void mouseClicked(MouseEvent e) {
|
||
|
|
StyledDocument doc = (StyledDocument) textPane.getDocument();
|
||
|
|
|
||
|
|
// 取得选择文本的起始位置和结束位置
|
||
|
|
int start = textPane.getSelectionStart();
|
||
|
|
int end = textPane.getSelectionEnd();
|
||
|
|
|
||
|
|
if (start != end) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
setToLastCharStyle(end, doc);
|
||
|
|
}
|
||
|
|
|
||
|
|
//如果默认不选字符, 那么设置为最后一个字符的样式
|
||
|
|
private void setToLastCharStyle(int end, StyledDocument doc) {
|
||
|
|
if (textPane.isUpdating()) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
//取前一个字符的样式
|
||
|
|
Element ele = doc.getCharacterElement(end - 1);
|
||
|
|
AttributeSet attrs = ele.getAttributes();
|
||
|
|
populateToolBar(attrs);
|
||
|
|
}
|
||
|
|
};
|
||
|
|
|
||
|
|
/**
|
||
|
|
* 从样式中更新工具栏上的按钮状态
|
||
|
|
*
|
||
|
|
* @param attrs 样式
|
||
|
|
* @date 2015-1-5-下午5:12:33
|
||
|
|
*/
|
||
|
|
public void populateToolBar(AttributeSet attrs) {
|
||
|
|
int size = scaleDown(StyleConstants.getFontSize(attrs));
|
||
|
|
fontNameComboBox.setSelectedItem(StyleConstants.getFontFamily(attrs));
|
||
|
|
fontSizeComboBox.setSelectedItem(size);
|
||
|
|
|
||
|
|
bold.setSelected(StyleConstants.isBold(attrs));
|
||
|
|
italic.setSelected(StyleConstants.isItalic(attrs));
|
||
|
|
underline.setSelected(StyleConstants.isUnderline(attrs));
|
||
|
|
subPane.setSelected(StyleConstants.isSubscript(attrs));
|
||
|
|
superPane.setSelected(StyleConstants.isSuperscript(attrs));
|
||
|
|
Color foreGround = StyleConstants.getForeground(attrs);
|
||
|
|
foreGround = foreGround == null ? Color.BLACK : foreGround;
|
||
|
|
colorSelectPane.setColor(foreGround);
|
||
|
|
colorSelectPane.repaint();
|
||
|
|
}
|
||
|
|
|
||
|
|
//pt转为px =*4/3
|
||
|
|
private int scaleUp(int fontSize) {
|
||
|
|
return scale(fontSize, true);
|
||
|
|
}
|
||
|
|
|
||
|
|
//px转pt = *3/4
|
||
|
|
private int scaleDown(int fontSize) {
|
||
|
|
return scale(fontSize, false);
|
||
|
|
}
|
||
|
|
|
||
|
|
private int scale(int fontSize, boolean isUp) {
|
||
|
|
double dpi96 = Constants.FR_PAINT_RESOLUTION;
|
||
|
|
double dpi72 = Constants.DEFAULT_FONT_PAINT_RESOLUTION;
|
||
|
|
double scale = isUp ? (dpi96 / dpi72) : (dpi72 / dpi96);
|
||
|
|
|
||
|
|
return roundUp(fontSize * scale);
|
||
|
|
}
|
||
|
|
|
||
|
|
private DocumentListener inputListener = new DocumentListener() {
|
||
|
|
|
||
|
|
@Override
|
||
|
|
public void removeUpdate(DocumentEvent e) {
|
||
|
|
}
|
||
|
|
|
||
|
|
@Override
|
||
|
|
public void insertUpdate(DocumentEvent e) {
|
||
|
|
//标志正在更新内容
|
||
|
|
textPane.startUpdating();
|
||
|
|
final MutableAttributeSet attr = updateStyleFromToolBar();
|
||
|
|
final int start = textPane.getSelectionStart();
|
||
|
|
int end = textPane.getSelectionEnd();
|
||
|
|
|
||
|
|
if (start != end) {
|
||
|
|
textPane.finishUpdating();
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
//放到SwingWorker里, 是因为在documentListener里不能动态改变doc内容
|
||
|
|
SwingUtilities.invokeLater(new Runnable() {
|
||
|
|
|
||
|
|
@Override
|
||
|
|
public void run() {
|
||
|
|
changeContentStyle(start, attr);
|
||
|
|
}
|
||
|
|
});
|
||
|
|
}
|
||
|
|
|
||
|
|
//根据Style来显示populate按钮
|
||
|
|
private void changeContentStyle(int start, MutableAttributeSet attr) {
|
||
|
|
changeContentStyle(start, attr, 1);
|
||
|
|
}
|
||
|
|
|
||
|
|
private void changeContentStyle(int start, MutableAttributeSet attr, int contentLength) {
|
||
|
|
// 将所选文本设置为新的样式，replace为false表示不覆盖原有的样式
|
||
|
|
StyledDocument doc = (StyledDocument) textPane.getDocument();
|
||
|
|
doc.setCharacterAttributes(start, contentLength, attr, false);
|
||
|
|
textPane.finishUpdating();
|
||
|
|
}
|
||
|
|
|
||
|
|
//将界面上的设置赋值给输入的字符
|
||
|
|
private MutableAttributeSet updateStyleFromToolBar() {
|
||
|
|
final boolean isBold = bold.isSelected();
|
||
|
|
final boolean isItalic = italic.isSelected();
|
||
|
|
final boolean isSub = subPane.isSelected();
|
||
|
|
final boolean isSuper = superPane.isSelected();
|
||
|
|
final boolean isUnderLine = underline.isSelected();
|
||
|
|
final String fontName = (String) fontNameComboBox.getSelectedItem();
|
||
|
|
final int fontSize = scaleUp((Integer) fontSizeComboBox.getSelectedItem());
|
||
|
|
final Color foreGround = colorSelectPane.getColor() == null ? Color.BLACK : colorSelectPane.getColor();
|
||
|
|
|
||
|
|
MutableAttributeSet attr = new SimpleAttributeSet();
|
||
|
|
StyleConstants.setBold(attr, isBold);
|
||
|
|
StyleConstants.setItalic(attr, isItalic);
|
||
|
|
StyleConstants.setSubscript(attr, isSub);
|
||
|
|
StyleConstants.setSuperscript(attr, isSuper);
|
||
|
|
StyleConstants.setUnderline(attr, isUnderLine);
|
||
|
|
StyleConstants.setForeground(attr, foreGround);
|
||
|
|
StyleConstants.setFontFamily(attr, fontName);
|
||
|
|
StyleConstants.setFontSize(attr, fontSize);
|
||
|
|
|
||
|
|
return attr;
|
||
|
|
}
|
||
|
|
|
||
|
|
@Override
|
||
|
|
public void changedUpdate(DocumentEvent e) {
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
private void setContentStyle(final int inputLen) {
|
||
|
|
//缓存下Start, 下面要用来设置样式
|
||
|
|
final int _start = inputStart;
|
||
|
|
final MutableAttributeSet attr = updateStyleFromToolBar();
|
||
|
|
|
||
|
|
//放到SwingWorker里, 是因为在documentListener里不能动态改变doc内容
|
||
|
|
SwingUtilities.invokeLater(new Runnable() {
|
||
|
|
|
||
|
|
@Override
|
||
|
|
public void run() {
|
||
|
|
//防止触发死循环change事件
|
||
|
|
startUpdating();
|
||
|
|
//Start-1 是因为中文输入法会用空格占1位
|
||
|
|
changeContentStyle(_start, attr, inputLen);
|
||
|
|
resetFlag();
|
||
|
|
}
|
||
|
|
});
|
||
|
|
}
|
||
|
|
|
||
|
|
private boolean isUpdating() {
|
||
|
|
return inputStart == UPDATING;
|
||
|
|
}
|
||
|
|
|
||
|
|
private void startUpdating() {
|
||
|
|
inputStart = UPDATING;
|
||
|
|
}
|
||
|
|
|
||
|
|
//初始标记状态, 用于记录中文输入法多个字符同时输入的问题
|
||
|
|
private void initFlag(StyledDocument doc) {
|
||
|
|
if (inputStart != NOT_INITIALIZED) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
inputStart = textPane.getSelectionStart() - 1;
|
||
|
|
}
|
||
|
|
|
||
|
|
//重置标记状态
|
||
|
|
private void resetFlag() {
|
||
|
|
inputStart = NOT_INITIALIZED;
|
||
|
|
}
|
||
|
|
};
|
||
|
|
|
||
|
|
}
|