mirror of
https://github.com/Open-Cascade-SAS/OCCT.git
synced 2026-05-11 01:58:22 +08:00
0025195: Samples - add Java sample for Android 4.x
This commit is contained in:
kgv
@@ -0,0 +1,376 @@
|
||||
// Copyright (c) 2014 OPEN CASCADE SAS
|
||||
//
|
||||
// This file is part of Open CASCADE Technology software library.
|
||||
//
|
||||
// This library is free software; you can redistribute it and/or modify it under
|
||||
// the terms of the GNU Lesser General Public License version 2.1 as published
|
||||
// by the Free Software Foundation, with special exception defined in the file
|
||||
// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
|
||||
// distribution for complete text of the license and disclaimer of any warranty.
|
||||
//
|
||||
// Alternatively, this file may be used under the terms of Open CASCADE
|
||||
// commercial license or contractual agreement.
|
||||
|
||||
package com.opencascade.jnisample;
|
||||
|
||||
import java.io.File;
|
||||
import java.io.FilenameFilter;
|
||||
import java.util.ArrayList;
|
||||
import java.util.Arrays;
|
||||
import java.util.List;
|
||||
|
||||
import com.opencascade.jnisample.ListenerList.FireHandler;
|
||||
|
||||
import android.app.Activity;
|
||||
import android.app.AlertDialog;
|
||||
import android.app.Dialog;
|
||||
import android.content.DialogInterface;
|
||||
import android.graphics.Color;
|
||||
import android.os.Environment;
|
||||
import android.view.View;
|
||||
import android.view.ViewGroup.LayoutParams;
|
||||
import android.widget.AdapterView;
|
||||
import android.widget.ArrayAdapter;
|
||||
import android.widget.EditText;
|
||||
import android.widget.LinearLayout;
|
||||
import android.widget.ListView;
|
||||
import android.widget.Spinner;
|
||||
|
||||
//! Simple open file dialog
|
||||
public class OcctJniFileDialog
|
||||
{
|
||||
|
||||
public enum DialogMode
|
||||
{
|
||||
FileOpen, FileExport, FileSave
|
||||
}
|
||||
|
||||
private static final String PARENT_DIR = "..";
|
||||
private String[] myFileList;
|
||||
private File myCurrentPath;
|
||||
private DialogMode myDialogMode = DialogMode.FileOpen;
|
||||
|
||||
private ListenerList<FileSelectedListener> myFileListenerList = new ListenerList<OcctJniFileDialog.FileSelectedListener>();
|
||||
private ListenerList<DialogDismissedListener> myDialogDismissedList = new ListenerList<DialogDismissedListener>();
|
||||
private final Activity myActivity;
|
||||
private List<String> myFileEndsWith;
|
||||
private EditText myFileNameInput;
|
||||
private Spinner myFileExtSpinner;
|
||||
int myCurrentExtPositionInList = 0;
|
||||
|
||||
public interface FileSelectedListener
|
||||
{
|
||||
void fileSelected (File theFile);
|
||||
}
|
||||
|
||||
public interface DialogDismissedListener
|
||||
{
|
||||
void dialogDismissed();
|
||||
}
|
||||
|
||||
//! Main constructor.
|
||||
public OcctJniFileDialog (Activity theActivity,
|
||||
File thePath)
|
||||
{
|
||||
myActivity = theActivity;
|
||||
if (!thePath.exists())
|
||||
{
|
||||
thePath = Environment.getExternalStorageDirectory();
|
||||
}
|
||||
loadFileList (thePath);
|
||||
}
|
||||
|
||||
//! Create new dialog
|
||||
public Dialog createFileDialog()
|
||||
{
|
||||
final Object[] anObjWrapper = new Object[1];
|
||||
Dialog aDialog = null;
|
||||
AlertDialog.Builder aBuilder = new AlertDialog.Builder (myActivity);
|
||||
|
||||
aBuilder.setTitle (myCurrentPath.getPath());
|
||||
LinearLayout aTitleLayout = new LinearLayout (myActivity);
|
||||
aTitleLayout.setLayoutParams (new LinearLayout.LayoutParams (LayoutParams.WRAP_CONTENT, LayoutParams.WRAP_CONTENT));
|
||||
aTitleLayout.setOrientation (LinearLayout.VERTICAL);
|
||||
|
||||
ListView list = new ListView (myActivity);
|
||||
list.setScrollingCacheEnabled(false);
|
||||
list.setBackgroundColor (Color.parseColor ("#33B5E5"));
|
||||
|
||||
list.setAdapter (new ArrayAdapter<String> (myActivity, android.R.layout.select_dialog_item, myFileList));
|
||||
list.setOnItemClickListener (new AdapterView.OnItemClickListener ()
|
||||
{
|
||||
|
||||
public void onItemClick (AdapterView<?> arg0, View view, int pos, long id)
|
||||
{
|
||||
String fileChosen = myFileList[pos];
|
||||
File aChosenFile = getChosenFile (fileChosen);
|
||||
if (aChosenFile.isDirectory())
|
||||
{
|
||||
loadFileList (aChosenFile);
|
||||
((Dialog )anObjWrapper[0]).cancel();
|
||||
((Dialog )anObjWrapper[0]).dismiss();
|
||||
showDialog();
|
||||
}
|
||||
else
|
||||
{
|
||||
if (myDialogMode == DialogMode.FileOpen)
|
||||
{
|
||||
((Dialog )anObjWrapper[0]).cancel();
|
||||
((Dialog )anObjWrapper[0]).dismiss();
|
||||
fireFileSelectedEvent (aChosenFile);
|
||||
}
|
||||
else
|
||||
{
|
||||
myFileNameInput.setText (aChosenFile.getName());
|
||||
}
|
||||
}
|
||||
}
|
||||
});
|
||||
list.setLayoutParams (new LinearLayout.LayoutParams (LayoutParams.MATCH_PARENT, LayoutParams.WRAP_CONTENT, 0.6f));
|
||||
aTitleLayout.addView (list);
|
||||
|
||||
if (myDialogMode == DialogMode.FileSave
|
||||
|| myDialogMode == DialogMode.FileExport)
|
||||
{
|
||||
myFileNameInput = new EditText (myActivity);
|
||||
myFileExtSpinner = new Spinner (myActivity);
|
||||
ArrayAdapter<CharSequence> adapter = null;
|
||||
if (myDialogMode == DialogMode.FileExport)
|
||||
{
|
||||
adapter = ArrayAdapter.createFromResource (myActivity, R.array.ext_to_exp,
|
||||
android.R.layout.simple_spinner_item);
|
||||
}
|
||||
else
|
||||
{
|
||||
adapter = ArrayAdapter.createFromResource (myActivity, R.array.ext_to_save,
|
||||
android.R.layout.simple_spinner_item);
|
||||
}
|
||||
// Specify the layout to use when the list of choices appears
|
||||
adapter.setDropDownViewResource (android.R.layout.simple_spinner_dropdown_item);
|
||||
// Apply the adapter to the spinner
|
||||
myFileExtSpinner.setAdapter (adapter);
|
||||
myFileExtSpinner.setSelection (myCurrentExtPositionInList);
|
||||
|
||||
myFileExtSpinner.setOnItemSelectedListener (new AdapterView.OnItemSelectedListener()
|
||||
{
|
||||
|
||||
@Override
|
||||
public void onNothingSelected (AdapterView<?> theParentView)
|
||||
{
|
||||
// your code here
|
||||
}
|
||||
|
||||
@Override
|
||||
public void onItemSelected (AdapterView<?> theParent, View theView, int thePosition, long theId)
|
||||
{
|
||||
if (myCurrentExtPositionInList != thePosition)
|
||||
{
|
||||
myCurrentExtPositionInList = thePosition;
|
||||
setFileEndsWith (Arrays.asList (myFileExtSpinner.getSelectedItem().toString()));
|
||||
loadFileList (myCurrentPath);
|
||||
((Dialog )anObjWrapper[0]).cancel();
|
||||
((Dialog )anObjWrapper[0]).dismiss();
|
||||
showDialog();
|
||||
}
|
||||
}
|
||||
});
|
||||
|
||||
myFileExtSpinner.setLayoutParams (new LinearLayout.LayoutParams (LayoutParams.MATCH_PARENT,
|
||||
LayoutParams.WRAP_CONTENT, 0.2f));
|
||||
// titleLayout.addView(fileExtSpinner);
|
||||
myFileNameInput.setLayoutParams (new LinearLayout.LayoutParams (LayoutParams.MATCH_PARENT,
|
||||
LayoutParams.WRAP_CONTENT, 0.2f));
|
||||
LinearLayout aControlsView = new LinearLayout (myActivity);
|
||||
|
||||
aControlsView.addView (myFileNameInput);
|
||||
aControlsView.addView (myFileExtSpinner);
|
||||
|
||||
aTitleLayout.addView (aControlsView);
|
||||
aBuilder.setView (aTitleLayout);
|
||||
aBuilder.setPositiveButton ("OK", new DialogInterface.OnClickListener()
|
||||
{
|
||||
@Override
|
||||
public void onClick (DialogInterface theDialog, int theWhich)
|
||||
{
|
||||
if (theWhich >= 0)
|
||||
{
|
||||
String aFileChosen = myFileList[theWhich];
|
||||
File aChosenFile = getChosenFile (aFileChosen);
|
||||
fireFileSelectedEvent (aChosenFile);
|
||||
}
|
||||
}
|
||||
}).setNegativeButton ("Cancel", null);
|
||||
}
|
||||
else
|
||||
{
|
||||
aBuilder.setNegativeButton ("Cancel", null);
|
||||
}
|
||||
|
||||
aBuilder.setView (aTitleLayout);
|
||||
|
||||
aDialog = aBuilder.show();
|
||||
aDialog.setOnDismissListener (new DialogInterface.OnDismissListener()
|
||||
{
|
||||
@Override
|
||||
public void onDismiss (DialogInterface theDialog)
|
||||
{
|
||||
fireDialogDismissedEvent();
|
||||
}
|
||||
});
|
||||
anObjWrapper[0] = aDialog;
|
||||
return aDialog;
|
||||
}
|
||||
|
||||
public void addFileListener (FileSelectedListener theListener)
|
||||
{
|
||||
myFileListenerList.add (theListener);
|
||||
}
|
||||
|
||||
public void addDialogDismissedListener (DialogDismissedListener theListener)
|
||||
{
|
||||
myDialogDismissedList.add (theListener);
|
||||
}
|
||||
|
||||
//! Show file dialog
|
||||
public void showDialog()
|
||||
{
|
||||
createFileDialog().show();
|
||||
}
|
||||
|
||||
private void fireFileSelectedEvent (final File theFile)
|
||||
{
|
||||
myFileListenerList.fireEvent (new FireHandler<OcctJniFileDialog.FileSelectedListener>()
|
||||
{
|
||||
public void fireEvent (FileSelectedListener theListener)
|
||||
{
|
||||
theListener.fileSelected (theFile);
|
||||
}
|
||||
});
|
||||
}
|
||||
|
||||
private void fireDialogDismissedEvent()
|
||||
{
|
||||
myDialogDismissedList.fireEvent (new FireHandler<OcctJniFileDialog.DialogDismissedListener>()
|
||||
{
|
||||
public void fireEvent (DialogDismissedListener theListener)
|
||||
{
|
||||
theListener.dialogDismissed();
|
||||
}
|
||||
});
|
||||
}
|
||||
|
||||
private void loadFileList (File thePath)
|
||||
{
|
||||
myCurrentPath = thePath;
|
||||
List<String> aList = new ArrayList<String>();
|
||||
if (thePath.exists())
|
||||
{
|
||||
if (thePath.getParentFile() != null)
|
||||
{
|
||||
aList.add (PARENT_DIR);
|
||||
}
|
||||
FilenameFilter aFilter = new FilenameFilter()
|
||||
{
|
||||
public boolean accept (File theDir, String theFilename)
|
||||
{
|
||||
File aSel = new File (theDir, theFilename);
|
||||
if (!aSel.canRead())
|
||||
{
|
||||
return false;
|
||||
}
|
||||
boolean isEndWith = false;
|
||||
if (myFileEndsWith != null)
|
||||
{
|
||||
for (String aFileExtIter : myFileEndsWith)
|
||||
{
|
||||
if (theFilename.toLowerCase().endsWith (aFileExtIter))
|
||||
{
|
||||
isEndWith = true;
|
||||
break;
|
||||
}
|
||||
}
|
||||
}
|
||||
return isEndWith || aSel.isDirectory();
|
||||
}
|
||||
};
|
||||
String[] aFileList1 = thePath.list (aFilter);
|
||||
if (aFileList1 != null)
|
||||
{
|
||||
for (String aFileIter : aFileList1)
|
||||
{
|
||||
aList.add (aFileIter);
|
||||
}
|
||||
}
|
||||
}
|
||||
myFileList = (String[] )aList.toArray (new String[] {});
|
||||
}
|
||||
|
||||
private File getChosenFile (String theFileChosen)
|
||||
{
|
||||
if (theFileChosen.equals (PARENT_DIR))
|
||||
return myCurrentPath.getParentFile();
|
||||
else
|
||||
return new File (myCurrentPath, theFileChosen);
|
||||
}
|
||||
|
||||
public void setFileEndsWith (String fileEndsWith)
|
||||
{
|
||||
if (myFileEndsWith == null)
|
||||
{
|
||||
myFileEndsWith = new ArrayList<String>();
|
||||
}
|
||||
if (myFileEndsWith.indexOf (fileEndsWith) == -1)
|
||||
{
|
||||
myFileEndsWith.add (fileEndsWith);
|
||||
}
|
||||
}
|
||||
|
||||
public void setFileEndsWith (List<String> theFileEndsWith)
|
||||
{
|
||||
myFileEndsWith = theFileEndsWith;
|
||||
}
|
||||
|
||||
public DialogMode DialogMode()
|
||||
{
|
||||
return myDialogMode;
|
||||
}
|
||||
|
||||
public void DialogMode (DialogMode theMode)
|
||||
{
|
||||
myDialogMode = theMode;
|
||||
}
|
||||
}
|
||||
|
||||
class ListenerList<L>
|
||||
{
|
||||
private List<L> myListenerList = new ArrayList<L>();
|
||||
|
||||
public interface FireHandler<L>
|
||||
{
|
||||
void fireEvent (L theListener);
|
||||
}
|
||||
|
||||
public void add (L theListener)
|
||||
{
|
||||
myListenerList.add (theListener);
|
||||
}
|
||||
|
||||
public void fireEvent (FireHandler<L> theFireHandler)
|
||||
{
|
||||
List<L> aCopy = new ArrayList<L> (myListenerList);
|
||||
for (L anIter : aCopy)
|
||||
{
|
||||
theFireHandler.fireEvent (anIter);
|
||||
}
|
||||
}
|
||||
|
||||
public void remove (L theListener)
|
||||
{
|
||||
myListenerList.remove (theListener);
|
||||
}
|
||||
|
||||
public List<L> getListenerList()
|
||||
{
|
||||
return myListenerList;
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user