REPORT-28701 设计器-文件选择器优化，替换为系统原生文件选择弹窗

designer-base/src/main/java/com/fr/design/gui/ifilechooser/AbstractFileChooser.java

@@ -0,0 +1,94 @@
+package com.fr.design.gui.ifilechooser;
+
+import javax.swing.filechooser.FileFilter;
+import java.awt.*;
+import java.io.File;
+
+/**
+ * @author hades
+ * @version 10.0
+ * Created by hades on 2020/3/31
+ */
+public abstract class AbstractFileChooser {
+
+    /**
+     * 返回当前目录
+     *
+     */
+    public abstract File getCurrentDirectory();
+
+    /**
+     * 返回当前的文件选择过滤器
+     *
+     */
+    public abstract FileFilter getFileFilter();
+
+    /**
+     * 返回选择的文件
+     *
+     */
+    public abstract File getSelectedFile();
+
+    /**
+     * 多文件选择模式下 返回选择的多个文件
+     *
+     */
+    public abstract File[] getSelectedFiles();
+
+    /**
+     * 是否可以选择多个文件
+     *
+     */
+    public abstract boolean isMultiSelectionEnabled();
+
+    /**
+     * 设置当前选择的目录
+     *
+     */
+    public abstract void setCurrentDirectory(File dir);
+
+    /**
+     * 设置左上角标题
+     *
+     */
+    public abstract void setDialogTitle(String title);
+
+    /**
+     * 设置当前的文件过滤器
+     *
+     */
+    public abstract void setFileFilter(final FileFilter filter);
+
+    /**
+     * 设置文件选择器模式
+     *
+     * JFileChooser.FILES_ONLY
+     * JFileChooser.DIRECTORIES_ONLY
+     * JFileChooser.FILES_AND_DIRECTORIES
+     */
+    public abstract void setFileSelectionMode(int selectionMode);
+
+    /**
+     * 设置是否允许选择多个文件
+     *
+     */
+    public abstract void setMultiSelectionEnabled(boolean multiple);
+
+    /**
+     * 设置选择的文件 用于showSaveDialog
+     *
+     */
+    public abstract void setSelectedFile(File file);
+
+    /**
+     * 弹出文件选择器 打开文件
+     *
+     */
+    public abstract int showOpenDialog(Component parent);
+
+    /**
+     * 弹出文件选择器 保存文件
+     *
+     */
+    public abstract int showSaveDialog(Component parent);
+}

designer-base/src/main/java/com/fr/design/gui/ifilechooser/UINativeFileChooser.java

@@ -0,0 +1,148 @@
+package com.fr.design.gui.ifilechooser;
+
+import com.fr.design.mainframe.DesignerContext;
+import com.fr.stable.os.OperatingSystem;
+
+import javax.swing.*;
+import javax.swing.filechooser.FileFilter;
+import java.awt.*;
+import java.io.File;
+import java.io.FilenameFilter;
+
+
+/**
+ * 系统原生风格的文件选择器
+ *
+ *  jdk问题：
+ *  https://bugs.openjdk.java.net/browse/JDK-4811090 不支持文件扩展选择
+ *  https://stackoverflow.com/questions/40713398/filter-not-working-in-filedialog windows下 setFilenameFilter不work
+ *
+ * @author hades
+ * @version 10.0
+ * Created by hades on 2020/3/31
+ */
+public class UINativeFileChooser extends AbstractFileChooser {
+
+    private final FileDialog fileDialog;
+    private FileFilter fileFilter;
+    private int selectionMode;
+
+    public UINativeFileChooser(File file) {
+        fileDialog = new FileDialog(DesignerContext.getDesignerFrame());
+        if (file != null) {
+            fileDialog.setDirectory(file.getAbsolutePath());
+            fileDialog.setFile(file.toString());
+        }
+    }
+
+    public UINativeFileChooser() {
+        this(null);
+    }
+
+    @Override
+    public File getCurrentDirectory() {
+        return new File(fileDialog.getDirectory());
+    }
+
+    @Override
+    public FileFilter getFileFilter() {
+        return fileFilter;
+    }
+
+    @Override
+    public File getSelectedFile() {
+        return new File(fileDialog.getDirectory() + fileDialog.getFile());
+    }
+
+    @Override
+    public File[] getSelectedFiles() {
+        return fileDialog.getFiles();
+    }
+
+    @Override
+    public boolean isMultiSelectionEnabled() {
+        return fileDialog.isMultipleMode();
+    }
+
+    @Override
+    public void setCurrentDirectory(File f) {
+        fileDialog.setDirectory(f.toString());
+    }
+
+    @Override
+    public void setDialogTitle(String title) {
+        fileDialog.setTitle(title);
+    }
+
+    @Override
+    public void setFileFilter(final FileFilter cff) {
+        FilenameFilter filter = new FilenameFilter() {
+            @Override
+            public boolean accept(File Directory, String fileName) {
+                return cff.accept(new File(Directory.getAbsolutePath() + fileName));
+            }
+        };
+        fileDialog.setFilenameFilter(filter);
+        fileFilter = cff;
+    }
+
+    @Override
+    public void setFileSelectionMode(int selectionMode) {
+        this.selectionMode = selectionMode;
+    }
+
+    @Override
+    public void setMultiSelectionEnabled(boolean multiple) {
+        fileDialog.setMultipleMode(multiple);
+    }
+
+    @Override
+    public void setSelectedFile(File file) {
+        fileDialog.setDirectory(file.getAbsolutePath());
+        fileDialog.setFile(file.getName());
+    }
+
+    @Override
+    public int showOpenDialog(Component parent) {
+        boolean appleProperty = OperatingSystem.isMacos() && selectionMode == JFileChooser.DIRECTORIES_ONLY;
+        if (appleProperty) {
+            System.setProperty("apple.awt.fileDialogForDirectories", "true");
+        }
+        try {
+            fileDialog.setLocale(JComponent.getDefaultLocale());
+            fileDialog.setMode(FileDialog.LOAD);
+            fileDialog.setVisible(true);
+            return fileDialog.getFile() == null ? JFileChooser.CANCEL_OPTION : JFileChooser.APPROVE_OPTION;
+        } finally {
+            if (appleProperty) {
+                System.setProperty("apple.awt.fileDialogForDirectories", "false");
+            }
+        }
+    }
+
+    @Override
+    public int showSaveDialog(Component parent) {
+        fileDialog.setLocale(JComponent.getDefaultLocale());
+        fileDialog.setMode(FileDialog.SAVE);
+        fileDialog.setVisible(true);
+        return fileDialog.getFile() == null ? JFileChooser.CANCEL_OPTION : JFileChooser.APPROVE_OPTION;
+    }
+
+    /**
+     * 确认本地文件选择器是否支持选择模式
+     * @param selectionMode 选择模式
+     * @return 是否支持选择模式
+     */
+    public static boolean supportsSelectionMode(int selectionMode) {
+        switch (selectionMode) {
+            case JFileChooser.FILES_AND_DIRECTORIES:
+                return false;
+            case JFileChooser.DIRECTORIES_ONLY:
+                return OperatingSystem.isMacos();
+            case JFileChooser.FILES_ONLY:
+            default:
+                return true;
+        }
+    }
+
+}