jive.Clipboard Maven / Gradle / Ivy
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package jive;
import javax.swing.*;
import java.awt.*;
import java.awt.datatransfer.DataFlavor;
import java.awt.datatransfer.StringSelection;
import java.awt.datatransfer.UnsupportedFlavorException;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;
import java.io.IOException;
import java.io.Reader;
import java.io.StringReader;
import java.util.Vector;
/**
* Class for managaging cut/copy/paste
*
* @author pons
*/
class Item {
public final static int OBJ_PROPERTY = 1;
public final static int ATT_PROPERTY = 2;
public final static int SRV_INSTANCE = 3;
public int type;
public String prop_name;
public String att_name;
public String inst_name;
public String class_name;
public String value;
// Construct default Item object
Item(int type) {
this.type = type;
att_name = null;
prop_name = null;
inst_name = null;
class_name = null;
value = null;
}
}
class ClipboardDlg extends JDialog {
private JScrollPane textView;
private JTextArea textArea;
private JButton dismissButton;
// Construction
public ClipboardDlg(Frame parent,String txt) {
super(parent,true);
getContentPane().setLayout( new BorderLayout() );
addWindowListener(new java.awt.event.WindowAdapter() {
public void windowClosing(java.awt.event.WindowEvent evt) {
setVisible(false);
dispose();
}
});
dismissButton = new JButton("Dismiss");
dismissButton.addMouseListener(new MouseAdapter() {
public void mouseClicked(MouseEvent evt) {
setVisible(false);
dispose();
}
});
textArea = new JTextArea();
textArea.setText( txt );
textArea.setEditable( false );
textView = new JScrollPane(textArea);
getContentPane().add( textView , BorderLayout.CENTER );
JPanel btnPanel = new JPanel();
btnPanel.setLayout(new FlowLayout(FlowLayout.RIGHT));
btnPanel.add(dismissButton);
getContentPane().add(btnPanel, BorderLayout.SOUTH );
setTitle("Clipboard content");
}
}
public class Clipboard {
java.awt.datatransfer.Clipboard clipboard;
private Vector Obj_Items;
private Vector Att_Items;
private Vector Srv_Items;
private Reader theStream;
private char nextNextChar;
private char nextChar;
private char currentChar;
private boolean backSlashed;
// ****************************************************
private void read_char() {
backSlashed = false;
try {
int c = theStream.read();
currentChar = nextChar;
nextChar = nextNextChar;
if(c<0) {
nextNextChar = 0;
} else {
nextNextChar = (char) c;
}
} catch (Exception e) {
nextNextChar = 0;
nextChar = 0;
currentChar = 0;
}
/* Treat \" here */
if(currentChar=='\\' && nextChar=='"') {
read_char(); // return '"'
backSlashed = true;
}
}
// ****************************************************
private void jump_space() {
while (currentChar <= 32 && currentChar > 0) read_char();
}
// ****************************************************
private String read_word() throws IOException {
StringBuffer ret_word = new StringBuffer();
/* Jump space and comments */
jump_space();
/* Treat special character */
if (currentChar == ',' || currentChar == ':' || currentChar == '/') {
ret_word.append(currentChar);
read_char();
return ret_word.toString();
}
/* Treat string */
if (currentChar=='"' && !backSlashed) {
read_char();
while ((currentChar != '"' || backSlashed) && currentChar != 0 && currentChar != '\n') {
ret_word.append(currentChar);
read_char();
}
if (currentChar == 0 || currentChar == '\n') {
IOException e = new IOException("Unterminated string.");
throw e;
}
read_char();
return ret_word.toString();
}
/* Treat other word */
while (currentChar > 32 && currentChar != ',' && currentChar != ':' && currentChar != '/') {
ret_word.append(currentChar);
read_char();
}
if (ret_word.length() == 0) {
return null;
}
return ret_word.toString();
}
// ****************************************************
private void jump_sep(String sep) throws IOException {
String w = read_word();
if(w==null)
throw new IOException("Separator " + sep + " expected.");
if(!w.equals(sep))
throw new IOException("Separator " + sep + " expected.");
}
// Construct empty clipboard
Clipboard() {
clipboard = Toolkit.getDefaultToolkit().getSystemClipboard();
Obj_Items = new Vector();
Att_Items = new Vector();
Srv_Items = new Vector();
}
private String quoteValue(String value) {
if(value.length()==0)
return "\"\"";
if(value.indexOf('\"')>=0) {
// We have to backslash '\"'
StringBuffer b= new StringBuffer();
for(int i=0;i=0 || value.indexOf(',')>=0 || value.indexOf(':')>=0 || value.indexOf('/')>=0) {
return "\"" + value + "\"";
} else {
return value;
}
}
private String getCommaSeparatedValue(String value) {
String[] split_value = value.split("\n");
String ret = "";
int i;
for (i = 0; i < split_value.length; i++) {
ret += quoteValue(split_value[i]);
if ((i + 1) < split_value.length) ret += ",";
}
return ret;
}
private String getClipboardContent() {
String ret = "";
java.awt.datatransfer.Clipboard clipboard = Toolkit.getDefaultToolkit().getSystemClipboard();
try {
ret = (String)(clipboard.getData(DataFlavor.stringFlavor));
}
catch (UnsupportedFlavorException e1) {
JiveUtils.showJiveError("Clipboard error :" + e1.getMessage());
} catch (IOException e2) {
JiveUtils.showJiveError("Clipboard error :" + e2.getMessage());
}
return ret;
}
// Add a property item to the clipboard
public void add( String prop_name , String value ) {
String content = getClipboardContent();
content += "OBJ_PROPERTY:" + quoteValue(prop_name) + ": " + getCommaSeparatedValue(value) + "\n";
StringSelection stringSelection = new StringSelection( content );
clipboard.setContents( stringSelection, null );
}
// Add an attribute property to the clipboard
public void add( String prop_name , String att_name , String value ) {
String content = getClipboardContent();
content += "ATT_PROPERTY:" + att_name + "/" + quoteValue(prop_name) + ": " + getCommaSeparatedValue(value) + "\n";
StringSelection stringSelection = new StringSelection( content );
clipboard.setContents( stringSelection, null );
}
// Add an instance/class (including device) to the clipboard
public void addDevice( String inst_name, String class_name, String device) {
String content = getClipboardContent();
content += "SRV_INSTANCE:" + inst_name + "/" + class_name + ": " + getCommaSeparatedValue(device) + "\n";
StringSelection stringSelection = new StringSelection( content );
clipboard.setContents( stringSelection, null );
}
public String parseValue() throws IOException {
StringBuffer b = new StringBuffer();
do {
if(currentChar==',')
read_char();
String s = read_word();
b.append(s);
if(currentChar==',')
b.append("\n");
} while (currentChar==',');
return b.toString();
}
public void parseObject() throws IOException {
String type = read_word();
if(type==null) return;
if( type.equals("OBJ_PROPERTY") ) {
jump_sep(":");
Item it = new Item(Item.OBJ_PROPERTY);
it.prop_name = read_word();
jump_sep(":");
it.value = parseValue();
Obj_Items.add( it );
} else if (type.equals("ATT_PROPERTY")) {
jump_sep(":");
Item it = new Item(Item.ATT_PROPERTY);
it.att_name = read_word();
jump_sep("/");
it.prop_name = read_word();
jump_sep(":");
it.value = parseValue();
Att_Items.add( it );
} else if (type.equals("SRV_INSTANCE")) {
Item it = new Item(Item.SRV_INSTANCE);
it.inst_name = read_word();
jump_sep("/");
it.class_name = read_word();
jump_sep(":");
it.value = parseValue();
Srv_Items.add( it );
} else {
throw new IOException("Unexpected object " + type);
}
}
public void parse() {
Obj_Items.clear();
Att_Items.clear();
Srv_Items.clear();
String content = getClipboardContent();
theStream = new StringReader(content);
// Done 3 times to initialise nextchars and currentChar
read_char();
read_char();
read_char();
try {
do {
parseObject();
} while (currentChar != 0);
} catch (IOException e) {
JiveUtils.showJiveError("Invalid clipboard content\n"+e.getMessage());
}
}
// Get Object property
public int getObjectPropertyLength() {
return Obj_Items.size();
}
public String getObjectPropertyName(int idx) {
Item it = (Item)Obj_Items.get(idx);
return it.prop_name;
}
public String getObjectPropertyValue(int idx) {
Item it = (Item)Obj_Items.get(idx);
return it.value;
}
// Get Attribute property
public int getAttPropertyLength() {
return Att_Items.size();
}
public String getAttName(int idx) {
Item it = (Item)Att_Items.get(idx);
return it.att_name;
}
public String getAttPropertyName(int idx) {
Item it = (Item)Att_Items.get(idx);
return it.prop_name;
}
public String getAttPropertyValue(int idx) {
Item it = (Item)Att_Items.get(idx);
return it.value;
}
// Get instance/class/device
public int getSrvInstanceLength() {
return Srv_Items.size();
}
public String getInstanceName(int idx) {
Item it = (Item)Srv_Items.get(idx);
return it.inst_name;
}
public String getClassName(int idx) {
Item it = (Item)Srv_Items.get(idx);
return it.class_name;
}
public String getDeviceName(int idx) {
Item it = (Item)Srv_Items.get(idx);
return it.value;
}
// Clear the entire clipboard
public void clear() {
StringSelection stringSelection = new StringSelection("");
clipboard.setContents( stringSelection, null );
}
// Return true if clipboard empty
public boolean empty() {
return ( (Obj_Items.size()+Att_Items.size()+Srv_Items.size() ) == 0);
}
// Show the contents of the clipbaord
public void show(Frame parent) {
ClipboardDlg dlg = new ClipboardDlg( parent ,getClipboardContent() );
JiveUtils.centerDialog(dlg,410,290);
dlg.setVisible(true);
}
}
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