в 17:44, 31 мая 2010

2010-05-31T17:44:26Z

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== 17. Displaying the Open or Save File Dialog ==

<p>FileDialog Constants</p>
ConstantDescriptionSWT.OPENCreates a dialog for opening a single file. This is the default.SWT.MULTICreates a dialog for opening multiple files.SWT.SAVECreates a dialog for saving a file.

== 17. File Save Dialog: filter name, filter extensions, filter path and file name ==



<source lang="java">
import org.eclipse.swt.SWT;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.FileDialog;
import org.eclipse.swt.widgets.Shell;
public class FileSaveDialogFilterNameFilterExtensions {
public static void main(String[] args) {
Display display = new Display();
Shell shell = new Shell(display);
FileDialog dialog = new FileDialog(shell, SWT.SAVE);
dialog.setFilterNames(new String[] { "Batch Files", "All Files (*.*)" });
dialog.setFilterExtensions(new String[] { "*.bat", "*.*" }); // Windows
// wild cards
dialog.setFilterPath("c:\\"); // Windows path
dialog.setFileName("yourFile.bat");
System.out.println("Save to: " + dialog.open());
while (!shell.isDisposed()) {
if (!display.readAndDispatch())
display.sleep();
}
display.dispose();
}
}</source>



== 17. Getting the Selected File or Files ==



<source lang="java">
import java.io.File;
import java.util.ArrayList;
import java.util.Collection;
import org.eclipse.swt.SWT;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.FileDialog;
import org.eclipse.swt.widgets.Shell;
public class FileDialogMultipleFileNameSelection {
public static void main(String[] args) {
Display display = new Display();
final Shell shell = new Shell(display);
FileDialog dlg = new FileDialog(shell, SWT.MULTI);
Collection files = new ArrayList();
if (dlg.open() != null) {
String[] names = dlg.getFileNames();
for (int i = 0, n = names.length; i < n; i++) {
StringBuffer buf = new StringBuffer(dlg.getFilterPath());
if (buf.charAt(buf.length() - 1) != File.separatorChar)
buf.append(File.separatorChar);
buf.append(names[i]);
files.add(buf.toString());
}
}
System.out.println(files);
display.dispose();
}
}</source>



== 17. Open an Open FileDialog ==



<source lang="java">
import org.eclipse.swt.SWT;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.FileDialog;
import org.eclipse.swt.widgets.Shell;
public class FileDialogOpenSelectedName {
public static void main(String[] args) {
Display display = new Display();
final Shell shell = new Shell(display);

FileDialog dlg = new FileDialog(shell, SWT.OPEN);
String fileName = dlg.open();
if (fileName != null) {
System.out.println(fileName);
}

display.dispose();
}
}</source>



== 17. Set FilterExtensions for FileDialog ==



<source lang="java">
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.FileDialog;
import org.eclipse.swt.widgets.Shell;
public class FileDialogFilterExtensions {
public static void main(String[] args) {
final Display display = new Display();
final Shell shell = new Shell(display);

FileDialog dialog = new FileDialog(shell);
dialog.setFilterExtensions(new String[] { "*.ico", "*.gif", "*.*" });
String name = dialog.open();

while (!shell.isDisposed()) {
if (!display.readAndDispatch())
display.sleep();
}
display.dispose();
}
}</source>



== 17. Specifying File Types and Extensions ==



<source lang="java">
setFilterNames(String[] names);
setFilterExtensions(String[] extensions);</source>



== 17. Specifying the Starting Directory and File Name ==

<p>FileDialog"s setFilterPath() method allows you to specify the initial directory for the dialog.</p>



<source lang="java">
import org.eclipse.swt.SWT;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.FileDialog;
import org.eclipse.swt.widgets.Shell;
public class FileDialogStartingDirectoryFileName {
public static void main(String[] args) {
Display display = new Display();
final Shell shell = new Shell(display);
FileDialog dlg = new FileDialog(shell, SWT.OPEN);
dlg.setFilterPath("C:/");
String fileName = dlg.open();
if (fileName != null) {
System.out.println(fileName);
}
display.dispose();
}
}</source>



== 17. Suggest a file name to use for saving a file by prefilling the entry field in the Save dialog box ==



<source lang="java">
import org.eclipse.swt.SWT;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.FileDialog;
import org.eclipse.swt.widgets.Shell;
public class FileDialogSaveDefaultFileName {
public static void main(String[] args) {
Display display = new Display();
final Shell shell = new Shell(display);
FileDialog dlg = new FileDialog(shell, SWT.SAVE);
dlg.setFileName("defaultName");
String fileName = dlg.open();
if (fileName != null) {
System.out.println(fileName);
}
display.dispose();
}
}</source>

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в 17:44, 31 мая 2010

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