Attachment 200312 Details for Bug 353047 – Implementation for a File list field editor

[patch] Implementation for a File list field editor

patch.txt (text/plain), 3.88 KB, created by Johan Westling

on 2011-07-25 17:04:02 EDT

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Filename:

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Creator: Johan Westling

Created: 2011-07-25 17:04:02 EDT

Size: 3.88 KB

patch

obsolete

>Index: src/org/eclipse/jface/preference/FileListEditor.java
>===================================================================
>RCS file: src/org/eclipse/jface/preference/FileListEditor.java
>diff -N src/org/eclipse/jface/preference/FileListEditor.java
>--- /dev/null	1 Jan 1970 00:00:00 -0000
>+++ src/org/eclipse/jface/preference/FileListEditor.java	1 Jan 1970 00:00:00 -0000
>@@ -0,0 +1,115 @@
>+package org.eclipse.jface.preference;
>+
>+
>+import java.io.File;
>+import java.util.ArrayList;
>+import java.util.StringTokenizer;
>+
>+import org.eclipse.jface.preference.ListEditor;
>+import org.eclipse.swt.SWT;
>+import org.eclipse.swt.widgets.Composite;
>+import org.eclipse.swt.widgets.FileDialog;
>+
>+/**
>+ * A field editor to edit files.
>+ */
>+public class FileListEditor extends ListEditor {
>+
>+    /**
>+     * List of legal file extension suffixes, or <code>null</code>
>+     * for system defaults.
>+     */
>+    private String[] extensions = null;
>+
>+    /**
>+     * Initial path for the Browse dialog.
>+     */
>+    private File filterPath = null;
>+
>+    /**
>+     * The special label text for file chooser, 
>+     * or <code>null</code> if none.
>+     */
>+    private String fileChooserLabelText;
>+
>+    /**
>+     * Creates a new file list field editor 
>+     */
>+    protected FileListEditor() {
>+    }
>+
>+    /**
>+     * Creates a file path field editor.
>+     * 
>+     * @param name the name of the preference this field editor works on
>+     * @param labelText the label text of the field editor
>+     * @param fileChooserLabelText the label text displayed for the file chooser
>+     * @param filterPath Initial path for the Browse dialog
>+     * @param extensions List of legal file extension suffixes
>+     * @param parent the parent of the field editor's control
>+     */
>+    public FileListEditor(String name, String labelText,
>+            String fileChooserLabelText, File filterPath, String[] extensions, Composite parent) {
>+        init(name, labelText);
>+        this.fileChooserLabelText = fileChooserLabelText;
>+        this.filterPath = filterPath;
>+        this.extensions = extensions;
>+        createControl(parent);
>+    }
>+
>+    /* (non-Javadoc)
>+     * Method declared on ListEditor.
>+     * Creates a single string from the given array by separating each
>+     * string with the appropriate OS-specific path separator.
>+     */
>+    protected String createList(String[] items) {
>+        StringBuffer path = new StringBuffer("");//$NON-NLS-1$
>+
>+        for (int i = 0; i < items.length; i++) {
>+            path.append(items[i]);
>+            path.append(File.pathSeparator);
>+        }
>+        return path.toString();
>+    }
>+
>+       
>+    /* (non-Javadoc)
>+     * Method declared on ListEditor.
>+     * Creates a new file element by means of a file dialog.
>+     */
>+    protected String getNewInputObject() {
>+        FileDialog dialog = new FileDialog(getShell(), SWT.OPEN | SWT.SHEET);
>+        if (fileChooserLabelText != null) {
>+			dialog.setText(fileChooserLabelText);
>+		}
>+        if (filterPath != null) {
>+        	dialog.setFilterPath(filterPath.getPath());
>+        }
>+        if (extensions != null) {
>+			dialog.setFilterExtensions(extensions);
>+		}
>+        String file = dialog.open();
>+        if (file != null) {
>+            file = file.trim();
>+            if (file.length() > 0) {
>+				return file;
>+			}
>+        }
>+
>+        return null;
>+    }
>+
>+    /* (non-Javadoc)
>+     * Method declared on ListEditor.
>+     */
>+    protected String[] parseString(String stringList) {
>+        StringTokenizer st = new StringTokenizer(stringList, File.pathSeparator
>+                + "\n\r");//$NON-NLS-1$
>+        ArrayList v = new ArrayList();
>+        while (st.hasMoreElements()) {
>+            v.add(st.nextElement());
>+        }
>+        return (String[]) v.toArray(new String[v.size()]);
>+    }
>+}
>+

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Attachments on bug 353047: 200312