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656 lines
23 KiB
656 lines
23 KiB
/** |
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* |
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*/ |
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package com.fr.design.cell.editor; |
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import com.fr.base.BaseFormula; |
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import com.fr.base.BaseUtils; |
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import com.fr.base.FRContext; |
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import com.fr.base.Utils; |
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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.ibutton.UIButton; |
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import com.fr.design.gui.ibutton.UIToggleButton; |
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import com.fr.design.gui.icombobox.UIComboBox; |
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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 com.fr.stable.StableUtils; |
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import com.fr.stable.StringUtils; |
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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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* |
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* |
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* @date: 2014-12-5-下午1:10:31 |
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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 UIComboBox fontNameComboBox; |
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private UIComboBox 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 com.fr.design.i18n.Toolkit.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(Utils.getAvailableFontFamilyNames4Report()); |
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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(BaseUtils.readIcon("/com/fr/design/images/gui/color/foreground.png")); |
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colorSelectPane.set4Toolbar(); |
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bold = new UIToggleButton(BaseUtils.readIcon("/com/fr/design/images/m_format/cellstyle/bold.png")); |
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italic = new UIToggleButton(BaseUtils.readIcon("/com/fr/design/images/m_format/cellstyle/italic.png")); |
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underline = new UIToggleButton(BaseUtils.readIcon("/com/fr/design/images/m_format/cellstyle/underline.png")); |
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superPane = new UIToggleButton(BaseUtils.readIcon("/com/fr/design/images/m_format/cellstyle/sup.png")); |
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subPane = new UIToggleButton(BaseUtils.readIcon("/com/fr/design/images/m_format/cellstyle/sub.png")); |
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formulaPane = new UIToggleButton(BaseUtils.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(com.fr.design.i18n.Toolkit.i18nText("Fine-Design_Report_Font_Family")); |
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fontSizeComboBox.setGlobalName(com.fr.design.i18n.Toolkit.i18nText("Fine-Design_Form_Font_Size")); |
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italic.setGlobalName(com.fr.design.i18n.Toolkit.i18nText("Fine-Design_Report_Italic")); |
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bold.setGlobalName(com.fr.design.i18n.Toolkit.i18nText("Fine-Design_Report_Bold")); |
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underline.setGlobalName(com.fr.design.i18n.Toolkit.i18nText("Fine-Design_Report_Underline")); |
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superPane.setGlobalName(com.fr.design.i18n.Toolkit.i18nText("Fine-Design_Report_Super_Script")); |
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subPane.setGlobalName(com.fr.design.i18n.Toolkit.i18nText("Fine-Design_Report_Sub_Script")); |
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} |
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private void setToolTips() { |
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colorSelectPane.setToolTipText(com.fr.design.i18n.Toolkit.i18nText("Fine-Design_Report_Foreground")); |
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italic.setToolTipText(com.fr.design.i18n.Toolkit.i18nText("Fine-Design_Report_Italic")); |
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bold.setToolTipText(com.fr.design.i18n.Toolkit.i18nText("Fine-Design_Report_Bold")); |
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underline.setToolTipText(com.fr.design.i18n.Toolkit.i18nText("Fine-Design_Report_Underline")); |
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superPane.setToolTipText(com.fr.design.i18n.Toolkit.i18nText("Fine-Design_Report_Super_Script")); |
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subPane.setToolTipText(com.fr.design.i18n.Toolkit.i18nText("Fine-Design_Report_Sub_Script")); |
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formulaPane.setToolTipText(com.fr.design.i18n.Toolkit.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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* |
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* @date 2015-1-5-下午5:13:04 |
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* |
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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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* |
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* @date 2015-1-5-下午5:13:26 |
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* |
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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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FRContext.getLogger().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); |
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numStr = new BigDecimal(numStr).setScale(0, BigDecimal.ROUND_HALF_UP).toString(); |
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return Integer.valueOf(numStr); |
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} |
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private CaretListener textCareListener = new CaretListener() { |
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//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 |
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private void setSelectedCharStyle(int start, int end, StyledDocument doc){ |
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boolean isBold = true; |
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boolean isItalic = true; |
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boolean isUnderline = true; |
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boolean isSubscript = true; |
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boolean isSuperscript = true; |
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String fontName_1st = null; |
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int fontSize_1st = 0; |
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Color fontColor_1st = null; |
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for (int i = start; i < end; i++) { |
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Element ele = doc.getCharacterElement(i); |
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AttributeSet attrs = ele.getAttributes(); |
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//粗体 |
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isBold = isBold && StyleConstants.isBold(attrs); |
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//斜体 |
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isItalic = isItalic && StyleConstants.isItalic(attrs); |
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//下划线 |
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isUnderline = isUnderline && StyleConstants.isUnderline(attrs); |
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//下标 |
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isSubscript = isSubscript && StyleConstants.isSubscript(attrs); |
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//上标 |
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isSuperscript = isSuperscript && StyleConstants.isSuperscript(attrs); |
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if(i == start){ |
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fontName_1st = (String) attrs.getAttribute(StyleConstants.FontFamily); |
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fontSize_1st = (Integer) attrs.getAttribute(StyleConstants.FontSize); |
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fontColor_1st = (Color) attrs.getAttribute(StyleConstants.Foreground); |
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fontColor_1st = fontColor_1st == null ? Color.BLACK : fontColor_1st; |
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} |
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} |
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setButtonSelected(isBold, isItalic, isUnderline, isSubscript, isSuperscript, |
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fontName_1st, fontSize_1st, fontColor_1st); |
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} |
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//动态显示工具栏上按钮的状态 |
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private void setButtonSelected(boolean isBold, boolean isItalic, boolean isUnderline, |
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boolean isSubscript, boolean isSuperscript, String fontName_1st, |
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int fontSize_1st, Color fontColor_1st){ |
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bold.setSelected(isBold); |
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italic.setSelected(isItalic); |
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underline.setSelected(isUnderline); |
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subPane.setSelected(isSubscript); |
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superPane.setSelected(isSuperscript); |
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//为什么字体名称, 大小, 颜色, 不需要去判断是否全相同呢 |
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//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. |
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fontNameComboBox.setSelectedItem(fontName_1st); |
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fontSizeComboBox.removeItemListener(fontSizeItemListener); |
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fontSizeComboBox.setSelectedItem(scaleDown(fontSize_1st)); |
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fontSizeComboBox.addItemListener(fontSizeItemListener); |
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selectColorPane(fontColor_1st); |
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} |
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private void selectColorPane(Color color){ |
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colorSelectPane.removeColorChangeListener(colorChangeAction); |
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colorSelectPane.setColor(color); |
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colorSelectPane.addColorChangeListener(colorChangeAction); |
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} |
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@Override |
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public void caretUpdate(CaretEvent e) { |
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StyledDocument doc = (StyledDocument) textPane.getDocument(); |
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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 = textPane.getSelectionStart(); |
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int end = textPane.getSelectionEnd(); |
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//如果没有选定字符 |
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if(end == start){ |
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return; |
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} |
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setSelectedCharStyle(start, end, doc); |
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} |
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}; |
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//设置当前光标位样式 |
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private MouseListener setMouseCurrentStyle = new MouseAdapter() { |
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@Override |
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public void mouseClicked(MouseEvent e) { |
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StyledDocument doc = (StyledDocument) textPane.getDocument(); |
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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 = textPane.getSelectionStart(); |
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int end = textPane.getSelectionEnd(); |
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if(start != end){ |
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return; |
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} |
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setToLastCharStyle(end, doc); |
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} |
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//如果默认不选字符, 那么设置为最后一个字符的样式 |
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private void setToLastCharStyle(int end, StyledDocument doc){ |
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if(textPane.isUpdating()){ |
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return; |
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} |
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//取前一个字符的样式 |
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Element ele = doc.getCharacterElement(end - 1); |
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AttributeSet attrs = ele.getAttributes(); |
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populateToolBar(attrs); |
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} |
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}; |
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/** |
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* 从样式中更新工具栏上的按钮状态 |
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* |
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* @param attrs 样式 |
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* |
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* |
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* @date 2015-1-5-下午5:12:33 |
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* |
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*/ |
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public void populateToolBar(AttributeSet attrs){ |
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int size = scaleDown(StyleConstants.getFontSize(attrs)); |
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fontNameComboBox.setSelectedItem(StyleConstants.getFontFamily(attrs)); |
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fontSizeComboBox.setSelectedItem(size); |
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bold.setSelected(StyleConstants.isBold(attrs)); |
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italic.setSelected(StyleConstants.isItalic(attrs)); |
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underline.setSelected(StyleConstants.isUnderline(attrs)); |
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subPane.setSelected(StyleConstants.isSubscript(attrs)); |
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superPane.setSelected(StyleConstants.isSuperscript(attrs)); |
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Color foreGround = StyleConstants.getForeground(attrs); |
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foreGround = foreGround == null ? Color.BLACK : foreGround; |
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colorSelectPane.setColor(foreGround); |
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colorSelectPane.repaint(); |
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} |
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//pt转为px =*4/3 |
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private int scaleUp(int fontSize){ |
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return scale(fontSize, true); |
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} |
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//px转pt = *3/4 |
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private int scaleDown(int fontSize){ |
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return scale(fontSize, false); |
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} |
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private int scale(int fontSize, boolean isUp){ |
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double dpi96 = Constants.FR_PAINT_RESOLUTION; |
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double dpi72 = Constants.DEFAULT_FONT_PAINT_RESOLUTION; |
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double scale = isUp ? (dpi96 / dpi72) : (dpi72 / dpi96); |
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return roundUp(fontSize * scale); |
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} |
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private DocumentListener inputListener = new DocumentListener() { |
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@Override |
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public void removeUpdate(DocumentEvent e) { |
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} |
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@Override |
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public void insertUpdate(DocumentEvent e) { |
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//标志正在更新内容 |
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textPane.startUpdating(); |
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final MutableAttributeSet attr = updateStyleFromToolBar(); |
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final int start = textPane.getSelectionStart(); |
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int end = textPane.getSelectionEnd(); |
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|
|
if (start != end) { |
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textPane.finishUpdating(); |
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return; |
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} |
|
|
|
//放到SwingWorker里, 是因为在documentListener里不能动态改变doc内容 |
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SwingUtilities.invokeLater(new Runnable() { |
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|
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@Override |
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public void run() { |
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changeContentStyle(start, attr); |
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} |
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}); |
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} |
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|
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//根据Style来显示populate按钮 |
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private void changeContentStyle(int start, MutableAttributeSet attr){ |
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changeContentStyle(start, attr, 1); |
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} |
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|
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private void changeContentStyle(int start, MutableAttributeSet attr, int contentLength){ |
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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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StyledDocument doc = (StyledDocument) textPane.getDocument(); |
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doc.setCharacterAttributes(start, contentLength, attr, false); |
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textPane.finishUpdating(); |
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} |
|
|
|
//将界面上的设置赋值给输入的字符 |
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private MutableAttributeSet updateStyleFromToolBar(){ |
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final boolean isBold = bold.isSelected(); |
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final boolean isItalic = italic.isSelected(); |
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final boolean isSub = subPane.isSelected(); |
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final boolean isSuper = superPane.isSelected(); |
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final boolean isUnderLine = underline.isSelected(); |
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final String fontName = (String) fontNameComboBox.getSelectedItem(); |
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final int fontSize = scaleUp((Integer) fontSizeComboBox.getSelectedItem()); |
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final Color foreGround = colorSelectPane.getColor() == null ? Color.BLACK : colorSelectPane.getColor(); |
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|
|
MutableAttributeSet attr = new SimpleAttributeSet(); |
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StyleConstants.setBold(attr, isBold); |
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StyleConstants.setItalic(attr, isItalic); |
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StyleConstants.setSubscript(attr, isSub); |
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StyleConstants.setSuperscript(attr, isSuper); |
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StyleConstants.setUnderline(attr, isUnderLine); |
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StyleConstants.setForeground(attr, foreGround); |
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StyleConstants.setFontFamily(attr, fontName); |
|
StyleConstants.setFontSize(attr, fontSize); |
|
|
|
return attr; |
|
} |
|
|
|
private static final int NOT_INITED = -1; |
|
private static final int UPDATING = -2; |
|
//记录上一次输入成功后光标点定位, 因为有可能文本是在中间插入的 |
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private int inputStart = NOT_INITED; |
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private static final int JDK_6 = 6; |
|
private static final int JDK_7 = 7; |
|
|
|
@Override |
|
public void changedUpdate(DocumentEvent e) { |
|
//这边需要注意, jdk1.6和1.7对于输入法的处理逻辑不一样, jdk6时直接在输入法中输入一大段中文 |
|
//他会一个个insert进去直接触发inserupdate事件, 而jdk7会直接把所有的塞进来. |
|
//inserupdate那边绑定的是一个个插入的事件, 多个一起插入的放这 |
|
//bug84777 8.0不走if逻辑，改成只有jdk7走if逻辑 |
|
if(StableUtils.getMajorJavaVersion() == JDK_7){ |
|
if(isUpdating()){ |
|
return; |
|
} |
|
StyledDocument doc = (StyledDocument) textPane.getDocument(); |
|
final String content; |
|
initFlag(doc); |
|
|
|
final int start = textPane.getSelectionStart(); |
|
final int inputLen = start - inputStart; |
|
//检测输入内容 |
|
try { |
|
content = doc.getText(inputStart, inputLen); |
|
} catch (BadLocationException e1) { |
|
return; |
|
} |
|
|
|
//中文输入法, 默认输入字符会被输入法的框截取住, jtextpane得到是一个空格, 此时不做处理 |
|
if(StringUtils.isBlank(content) || inputLen <= 0){ |
|
return; |
|
} |
|
//设置一次性输入多个文字的样式 |
|
setContentStyle(inputLen); |
|
} |
|
} |
|
|
|
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_INITED){ |
|
return; |
|
} |
|
inputStart = textPane.getSelectionStart() - 1; |
|
} |
|
|
|
//重置标记状态 |
|
private void resetFlag(){ |
|
inputStart = NOT_INITED; |
|
} |
|
}; |
|
|
|
}
|
|
|