hades
5 years ago
5 changed files with 310 additions and 10 deletions
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package com.fr.design.gui.ifilechooser; |
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import javax.swing.filechooser.FileFilter; |
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import java.awt.*; |
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import java.io.File; |
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/** |
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* @author hades |
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* @version 10.0 |
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* Created by hades on 2020/3/31 |
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*/ |
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public abstract class AbstractFileChooser { |
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/** |
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* 返回当前目录 |
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* |
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*/ |
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public abstract File getCurrentDirectory(); |
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/** |
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* 返回当前的文件选择过滤器 |
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* |
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*/ |
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public abstract FileFilter getFileFilter(); |
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/** |
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* 返回选择的文件 |
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* |
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*/ |
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public abstract File getSelectedFile(); |
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/** |
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* 多文件选择模式下 返回选择的多个文件 |
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* |
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*/ |
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public abstract File[] getSelectedFiles(); |
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/** |
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* 是否可以选择多个文件 |
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* |
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*/ |
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public abstract boolean isMultiSelectionEnabled(); |
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/** |
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* 设置当前选择的目录 |
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* |
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*/ |
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public abstract void setCurrentDirectory(File dir); |
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/** |
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* 设置左上角标题 |
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* |
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*/ |
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public abstract void setDialogTitle(String title); |
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/** |
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* 设置当前的文件过滤器 |
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* |
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*/ |
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public abstract void setFileFilter(final FileFilter filter); |
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/** |
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* 设置文件选择器模式 |
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* |
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* JFileChooser.FILES_ONLY |
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* JFileChooser.DIRECTORIES_ONLY |
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* JFileChooser.FILES_AND_DIRECTORIES |
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*/ |
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public abstract void setFileSelectionMode(int selectionMode); |
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/** |
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* 设置是否允许选择多个文件 |
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* |
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*/ |
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public abstract void setMultiSelectionEnabled(boolean multiple); |
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/** |
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* 设置选择的文件 用于showSaveDialog |
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* |
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*/ |
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public abstract void setSelectedFile(File file); |
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/** |
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* 弹出文件选择器 打开文件 |
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* |
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*/ |
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public abstract int showOpenDialog(Component parent); |
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/** |
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* 弹出文件选择器 保存文件 |
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* |
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*/ |
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public abstract int showSaveDialog(Component parent); |
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/** |
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* https://bugs.java.com/bugdatabase/view_bug.do?bug_id=4031440
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* |
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* 设置文件名后缀 起到文件过滤的作用 形如 "*.jpg;*.jpeg" |
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* |
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*/ |
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public abstract void setExtensionFilter(String file); |
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} |
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@ -0,0 +1,153 @@
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package com.fr.design.gui.ifilechooser; |
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import com.fr.design.mainframe.DesignerContext; |
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import com.fr.stable.os.OperatingSystem; |
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import javax.swing.*; |
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import javax.swing.filechooser.FileFilter; |
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import java.awt.*; |
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import java.io.File; |
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import java.io.FilenameFilter; |
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/** |
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* 系统原生风格的文件选择器 |
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* |
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* jdk问题： |
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* https://bugs.openjdk.java.net/browse/JDK-4811090 不支持文件扩展选择
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* https://stackoverflow.com/questions/40713398/filter-not-working-in-filedialog windows下 setFilenameFilter不work
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* |
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* @author hades |
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* @version 10.0 |
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* Created by hades on 2020/3/31 |
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*/ |
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public class UINativeFileChooser extends AbstractFileChooser { |
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private final FileDialog fileDialog; |
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private FileFilter fileFilter; |
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private int selectionMode; |
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public UINativeFileChooser(File file) { |
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fileDialog = new FileDialog(DesignerContext.getDesignerFrame()); |
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if (file != null) { |
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fileDialog.setDirectory(file.getAbsolutePath()); |
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fileDialog.setFile(file.toString()); |
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} |
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} |
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public UINativeFileChooser() { |
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this(null); |
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} |
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@Override |
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public File getCurrentDirectory() { |
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return new File(fileDialog.getDirectory()); |
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} |
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@Override |
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public FileFilter getFileFilter() { |
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return fileFilter; |
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} |
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@Override |
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public File getSelectedFile() { |
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return new File(fileDialog.getDirectory() + fileDialog.getFile()); |
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} |
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@Override |
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public File[] getSelectedFiles() { |
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return fileDialog.getFiles(); |
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} |
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@Override |
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public boolean isMultiSelectionEnabled() { |
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return fileDialog.isMultipleMode(); |
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} |
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@Override |
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public void setCurrentDirectory(File f) { |
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fileDialog.setDirectory(f.toString()); |
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} |
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@Override |
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public void setDialogTitle(String title) { |
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fileDialog.setTitle(title); |
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} |
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@Override |
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public void setFileFilter(final FileFilter cff) { |
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FilenameFilter filter = new FilenameFilter() { |
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@Override |
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public boolean accept(File Directory, String fileName) { |
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return cff.accept(new File(Directory.getAbsolutePath() + fileName)); |
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} |
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}; |
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fileDialog.setFilenameFilter(filter); |
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fileFilter = cff; |
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} |
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@Override |
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public void setFileSelectionMode(int selectionMode) { |
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this.selectionMode = selectionMode; |
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} |
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@Override |
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public void setMultiSelectionEnabled(boolean multiple) { |
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fileDialog.setMultipleMode(multiple); |
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} |
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@Override |
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public void setSelectedFile(File file) { |
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fileDialog.setDirectory(file.getAbsolutePath()); |
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fileDialog.setFile(file.getName()); |
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} |
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@Override |
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public int showOpenDialog(Component parent) { |
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boolean appleProperty = OperatingSystem.isMacos() && selectionMode == JFileChooser.DIRECTORIES_ONLY; |
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if (appleProperty) { |
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System.setProperty("apple.awt.fileDialogForDirectories", "true"); |
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} |
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try { |
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fileDialog.setLocale(JComponent.getDefaultLocale()); |
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fileDialog.setMode(FileDialog.LOAD); |
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fileDialog.setVisible(true); |
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return fileDialog.getFile() == null ? JFileChooser.CANCEL_OPTION : JFileChooser.APPROVE_OPTION; |
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} finally { |
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if (appleProperty) { |
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System.setProperty("apple.awt.fileDialogForDirectories", "false"); |
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} |
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} |
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} |
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@Override |
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public int showSaveDialog(Component parent) { |
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fileDialog.setLocale(JComponent.getDefaultLocale()); |
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fileDialog.setMode(FileDialog.SAVE); |
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fileDialog.setVisible(true); |
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return fileDialog.getFile() == null ? JFileChooser.CANCEL_OPTION : JFileChooser.APPROVE_OPTION; |
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} |
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@Override |
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public void setExtensionFilter(String file) { |
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fileDialog.setFile(file); |
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} |
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/** |
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* 确认本地文件选择器是否支持选择模式 |
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* @param selectionMode 选择模式 |
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* @return 是否支持选择模式 |
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*/ |
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public static boolean supportsSelectionMode(int selectionMode) { |
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switch (selectionMode) { |
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case JFileChooser.FILES_AND_DIRECTORIES: |
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return false; |
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case JFileChooser.DIRECTORIES_ONLY: |
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return OperatingSystem.isMacos(); |
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case JFileChooser.FILES_ONLY: |
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default: |
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return true; |
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} |
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} |
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} |
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