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95 lines
3.3 KiB
95 lines
3.3 KiB
package com.fr.design.utils.gui; |
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import com.fr.base.i18n.BidiUtils; |
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import com.fr.design.gui.core.UITextComponent; |
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import com.fr.design.layout.FRGUIPaneFactory; |
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import com.fr.general.ComparatorUtils; |
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import com.fr.general.GeneralContext; |
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import com.fr.stable.StringUtils; |
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import javax.swing.JComponent; |
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import javax.swing.JPanel; |
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import java.awt.BorderLayout; |
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import java.awt.Component; |
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import java.awt.Dimension; |
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import java.util.Locale; |
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/** |
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* 包含 UI 组件相关的工具方法 |
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* Created by plough on 2019/1/11. |
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*/ |
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// Noninstantiable utility class |
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public class UIComponentUtils { |
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/** |
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* html内联css实现文本靠右对齐rtl |
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*/ |
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private static final String HTML_TAG_TPL = BidiUtils.rtl() ? "<html><body style='text-align: right;width: %dpx'>" : "<html><body style='width: %dpx'>"; |
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private static final String HTML_BODY_TAG = BidiUtils.rtl() ? "<html><body style='text-align: right'>" : "<html><body>"; |
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private static final String HTML_TAG = "<html>"; |
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private static final int MIN_WIDTH = 10; |
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// 覆盖缺省构造器，不可实例化 |
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private UIComponentUtils() { |
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throw new AssertionError(); |
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} |
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/** |
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* 到达指定宽度后换行 |
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*/ |
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public static void setLineWrap(UITextComponent comp, int width) { |
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if (width < MIN_WIDTH) { |
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width = MIN_WIDTH; |
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} |
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insertPrefixToText(comp, String.format(HTML_TAG_TPL, width)); |
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} |
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/** |
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* 自动换行 |
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*/ |
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public static void setLineWrap(UITextComponent comp) { |
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insertPrefixToText(comp, HTML_BODY_TAG); |
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} |
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private static void insertPrefixToText(UITextComponent comp, String prefix) { |
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if (comp == null || ComparatorUtils.equals(Locale.CHINA, GeneralContext.getLocale())) { |
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// 最初是为了解决日文国际化显示不全，而增加的换行功能。中文不需要换行。 |
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// windows 下，字体为宋体时，对于 JLabel、JCheckBox、JButton 等控件，使用<html>换行后，文字会下移，可能导致文字下半部分被截断。 |
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// 因此中文直接返回，不加换行逻辑。 |
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return; |
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} |
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String text = comp.getText(); |
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if (StringUtils.isEmpty(text) || text.startsWith(HTML_TAG)) { |
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return; |
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} |
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comp.setText(prefix + text); |
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} |
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/** |
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* 将一个组件包装到 BorderLayout 布局的面板中 |
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* @param comp，待包装的组件 |
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* @param layoutConstraint，添加的方向，如 BorderLayout.NORTH |
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* @return 包装好的 JPanel |
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*/ |
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public static JPanel wrapWithBorderLayoutPane(Component comp, String layoutConstraint) { |
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JPanel panel = FRGUIPaneFactory.createBorderLayout_S_Pane(); |
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panel.add(comp, layoutConstraint); |
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return panel; |
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} |
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/** |
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* 将一个组件包装到 BorderLayout 布局的面板中 |
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* @param comp，待包装的组件 |
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* @return 包装好的 JPanel（布局方向为 BorderLayout.NORTH） |
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*/ |
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public static JPanel wrapWithBorderLayoutPane(Component comp) { |
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return wrapWithBorderLayoutPane(comp, BorderLayout.NORTH); |
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} |
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public static void setPreferedWidth(JComponent comp, int width) { |
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Dimension dim = comp.getPreferredSize(); |
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dim.setSize(width, dim.getHeight()); |
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comp.setPreferredSize(dim); |
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} |
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}
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