Red cross on left panel in eclipse
Hi
I hv installed jdk1.5*, tomcat5.5, and eclipse on my pc. and also sysdeo tomcat eclipse pulgins in my pc.
I developed a servlet and stored it in this path.
C:\Eclipse\workspace\HitCount\hitcountServlet.java
and saved it.
Servlet code is as follows
import java.servlet.*;
import java.servlet.http.*;
import java.io.*;
import java.util.*;
public class hitcountServlet extends HttpServlet
static int count;
public void init(ServletConfig config) throws ServletException
super.init(config);
public void doGet(HttpServletRequest Req, HttpServletResponse res ) throws ServletException, IOException
res.setContentType("text/html");
PrintWriter out=res.getWriter();
count++;
out.println("<html>");
out.println("<head><title> Basic Servlet </title> </head>");
out.println("<body>");
out.println("You are user no. :" + String.valueOf(count));
out.println("</body></html>");
public String getServletInfo()
return "Basic Servlet Information";
But when I build this it is giving error list in problem window. for these lines
import javax.servlet.*;
import java.servlet.http.*;
and related to these httpServlet etc...
the error is cannot resolve.
what might be the problem.
plz help me out..... its urgent. As I hv to start my project ASAP.
Thanks in advance.
Message was edited by:
DKB
You need to add 'Servlet.jar' to your library for this project - download servlet.jar and then add to the project library in the Properties menu for your Eclipse project.
You also need to have the correct import statements as per the previous response.
Hope this helps.
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Thanks
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Murray --- ICQ 71997575
Adobe Community Expert
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"Annie Benech" <[email protected]> wrote in
message
news:ek7841$is4$[email protected]..
> The user upload images to my web site.
> He can enter 3 images; but sometimes he enters only 2.
> When an image is absent, the browser try to find it and
display a small
> red
> cross at the left corner. My concern was to avoid the
display of this
> small red
> cross when the image is not there?
> I tried to imbricate HTML and PHP code, but it does not
work.
> Is there somebody who can help me?
> Thanks a lot.
>
> <div class="boite-niveau2">
> <div class="boite-present-immo">
> <table width="600" border="0" cellspacing="0"
cellpadding="0">
> <tr>
> <td><table width="300" border="0"
cellspacing="4" cellpadding="0">
> <tr>
> <td><img src= "<?php echo "images/annonces/"
. $dest_fichier1 ?>"
> width="300" /></td>
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> <td><img src= "<?php echo "images/annonces/"
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> ?>"
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> <td><img src= "<?php echo "images/annonces/"
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>
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Dear friends.
I have following code, it is runnable, just add two jpg image files is ok, to run.
I tried few days to drag image from left panel then drop into right panel or vice versa, but not success, can any GUI guru help??
Thanks.
Sunny
[1]. main code/calling code:
import java.util.*;
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import javax.swing.event.*;
public class ImagePanelCall extends JComponent {
public JSplitPane ImagePanelCall() {
setPreferredSize(new Dimension(1200,300));
JSplitPane sp = new JSplitPane();
sp.setPreferredSize(new Dimension(1200,600));
sp.setOrientation(JSplitPane.HORIZONTAL_SPLIT);
add(sp);
ImagePanel ip = new ImagePanel();
ImagePanel ip1 = new ImagePanel();
ip.setPreferredSize(new Dimension(600,300));
ip1.setPreferredSize(new Dimension(600,300));
sp.setLeftComponent(ip);// add left part
sp.setRightComponent(ip1);// add right part
sp.setVisible(true);
return sp;
public static void main(String[] args) {
JFrame frame = new JFrame("Test transformable images");
ImagePanelCall ic = new ImagePanelCall();
frame.setPreferredSize(new Dimension(1200,600));
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
frame.getContentPane().add(ic.ImagePanelCall(), BorderLayout.CENTER);
frame.pack();
frame.setVisible(true);
}[2]. code 2
import java.util.*;
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import javax.swing.event.*;
public class ImagePanel extends JComponent {
private static final Cursor DEFAULT_CURSOR = new Cursor(Cursor.DEFAULT_CURSOR);
private static final Cursor MOVE_CURSOR = new Cursor(Cursor.MOVE_CURSOR);
private static final Cursor VERTICAL_RESIZE_CURSOR = new Cursor(Cursor.N_RESIZE_CURSOR);
private static final Cursor HORIZONTAL_RESIZE_CURSOR = new Cursor(Cursor.W_RESIZE_CURSOR);
private static final Cursor NW_SE_RESIZE_CURSOR = new Cursor(Cursor.NW_RESIZE_CURSOR);
private static final Cursor NE_SW_RESIZE_CURSOR = new Cursor(Cursor.NE_RESIZE_CURSOR);
public Vector images;
* Create an ImagePanel with two images in.
* A MouseHandler instance is added as mouse listener and mouse motion listener.
public ImagePanel() {
images = new Vector();
images.add(new TransformableImage("swing/dnd/Bird.gif"));
images.add(new TransformableImage("swing/dnd/Cat.gif"));
setPreferredSize(new Dimension(600,600));
MouseHandler mh = new MouseHandler();
addMouseListener(mh);
addMouseMotionListener(mh);
* Simply paint all the images contained in the Vector images, calling their method draw(Graphics2D, ImageObserver).
public void paintComponent(Graphics g) {
Graphics2D g2D = (Graphics2D)g;
for (int i = images.size()-1; i>=0; i--) {
((TransformableImage)images.get(i)).draw(g2D, this);
* Inner class defining the behavior of the mouse.
final class MouseHandler extends MouseInputAdapter {
private TransformableImage draggedImage;
private int transformation;
private int dx, dy;
public void mouseMoved(MouseEvent e) {
Point p = e.getPoint();
TransformableImage image = getImageAt(p);
if (image != null) {
transformation = image.getTransformation(p);
setConvenientCursor(transformation);
else {
setConvenientCursor(-1);
public void mousePressed(MouseEvent e) {
Point p = e.getPoint();
draggedImage = getImageAt(p);
if (draggedImage!=null) {
dx = p.x-draggedImage.x;
dy = p.y-draggedImage.y;
public void mouseDragged(MouseEvent e) {
if (draggedImage==null) {
return;
Point p = e.getPoint();
repaint(draggedImage.x,draggedImage.y,draggedImage.width+1,draggedImage.height+1);
draggedImage.transform(p, transformation,dx,dy);
repaint(draggedImage.x,draggedImage.y,draggedImage.width+1,draggedImage.height+1);
public void mouseReleased(MouseEvent e) {
Point p = e.getPoint();
draggedImage = null;
* Utility method used to get the image located at a Point p.
* Returns null if there is no image at this point.
private final TransformableImage getImageAt(Point p) {
TransformableImage image = null;
for (int i = 0, n = images.size(); i<n; i++) {
image = (TransformableImage)images.get(i);
if (image.contains(p)) {
return(image);
return(null);
* Sets the convenient cursor according the the transformation (i.e. the position of the mouse over the image).
private final void setConvenientCursor(int transfo) {
Cursor currentCursor = getCursor();
Cursor newCursor = null;
switch (transfo) {
case TransformableImage.MOVE : newCursor = MOVE_CURSOR;
break;
case TransformableImage.RESIZE_TOP : newCursor = VERTICAL_RESIZE_CURSOR;
break;
case TransformableImage.RESIZE_BOTTOM : newCursor = VERTICAL_RESIZE_CURSOR;
break;
case TransformableImage.RESIZE_LEFT : newCursor = HORIZONTAL_RESIZE_CURSOR;
break;
case TransformableImage.RESIZE_RIGHT : newCursor = HORIZONTAL_RESIZE_CURSOR;
break;
case TransformableImage.RESIZE_TOP_LEFT_CORNER : newCursor = NW_SE_RESIZE_CURSOR;
break;
case TransformableImage.RESIZE_TOP_RIGHT_CORNER : newCursor = NE_SW_RESIZE_CURSOR;
break;
case TransformableImage.RESIZE_BOTTOM_LEFT_CORNER : newCursor = NE_SW_RESIZE_CURSOR;
break;
case TransformableImage.RESIZE_BOTTOM_RIGHT_CORNER : newCursor = NW_SE_RESIZE_CURSOR;
break;
default : newCursor = DEFAULT_CURSOR;
if (newCursor != null && currentCursor != newCursor) {
setCursor(newCursor);
public static void main(String[] args) {
JFrame frame = new JFrame("Test transformable images");
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
frame.getContentPane().add(new ImagePanel(), BorderLayout.CENTER);
frame.pack();
frame.setVisible(true);
}[3]. code 3
import java.awt.*;
import javax.swing.*;
import java.awt.image.*;
public final class TransformableImage extends Rectangle {
public static final int MOVE = 0;
public static final int RESIZE_TOP = 10;
public static final int RESIZE_BOTTOM = 20;
public static final int RESIZE_RIGHT = 1;
public static final int RESIZE_LEFT = 2;
public static final int RESIZE_TOP_RIGHT_CORNER = 11;
public static final int RESIZE_TOP_LEFT_CORNER = 12;
public static final int RESIZE_BOTTOM_RIGHT_CORNER = 21;
public static final int RESIZE_BOTTOM_LEFT_CORNER = 22;
public static final int BORDER_THICKNESS = 5;
public static final int MIN_THICKNESS = BORDER_THICKNESS*2;
private static final Color borderColor = Color.black;
private Image image;
* Create an TransformableImage from the image file filename.
* The TransformableImage bounds (inherited from the class Rectangle) are setted to the corresponding values.
public TransformableImage(String filename) {
ImageIcon ic = new ImageIcon(filename);
image = ic.getImage();
setBounds(0,0,ic.getIconWidth(), ic.getIconHeight());
* Draw the image rescaled to fit the bounds.
* A black rectangle is drawn around the image.
public final void draw(Graphics2D g, ImageObserver observer) {
Color oldColor = g.getColor();
g.setColor(borderColor);
g.drawImage(image, x, y, width, height, observer);
g.draw(this);
g.setColor(oldColor);
* Return an int corresponding to the transformation available according to the mouse location on the image.
* If the point p is in the border, with a thickness of BORDER_THICKNESS, around the image, the corresponding
* transformation is returned (RESIZE_TOP, ..., RESIZE_BOTTOM_LEFT_CORNER).
* If the point p is located in the center of the image (i.e. out of the border), the MOVE transformation is returned.
* We allways suppose that p is contained in the image bounds.
public final int getTransformation(Point p) {
int px = p.x;
int py = p.y;
int transformation = 0;
if (py<(y+BORDER_THICKNESS)) {
transformation += RESIZE_TOP;
else
if (py>(y+height-BORDER_THICKNESS-1)) {
transformation += RESIZE_BOTTOM;
if (px<(x+BORDER_THICKNESS)) {
transformation += RESIZE_LEFT;
else
if (px>(x+width-BORDER_THICKNESS-1)) {
transformation += RESIZE_RIGHT;
return(transformation);
* Move the left side of the image, verifying that the width is > to the MIN_THICKNESS.
public final void moveX1(int px) {
int x1 = x+width;
if (px>x1-MIN_THICKNESS) {
x = x1-MIN_THICKNESS;
width = MIN_THICKNESS;
else {
width += (x-px);
x = px;
* Move the right side of the image, verifying that the width is > to the MIN_THICKNESS.
public final void moveX2(int px) {
width = px-x;
if (width<MIN_THICKNESS) {
width = MIN_THICKNESS;
* Move the top side of the image, verifying that the height is > to the MIN_THICKNESS.
public final void moveY1(int py) {
int y1 = y+height;
if (py>y1-MIN_THICKNESS) {
y = y1-MIN_THICKNESS;
height = MIN_THICKNESS;
else {
height += (y-py);
y = py;
* Move the bottom side of the image, verifying that the height is > to the MIN_THICKNESS.
public final void moveY2(int py) {
height = py-y;
if (height<MIN_THICKNESS) {
height = MIN_THICKNESS;
* Apply a given transformation with the given Point to the image.
* The shift values dx and dy are needed for move tho locate the image at the same relative position from the cursor (p).
public final void transform(Point p, int transformationType, int dx, int dy) {
int px = p.x;
int py = p.y;
switch (transformationType) {
case MOVE : x = px-dx; y = py-dy;
break;
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break;
case RESIZE_BOTTOM : moveY2(py);
break;
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break;
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break;
case RESIZE_TOP_LEFT_CORNER : moveX1(px);moveY1(py);
break;
case RESIZE_TOP_RIGHT_CORNER : moveX2(px);moveY1(py);
break;
case RESIZE_BOTTOM_LEFT_CORNER : moveX1(px);moveY2(py);
break;
case RESIZE_BOTTOM_RIGHT_CORNER : moveX2(px);moveY2(py);
break;
default :
}I gave you a simple solution in your other posting. You never responded to the suggestion stating why the given solution wouldn't work, so it can't be that urgent.
Maybe you are looking for
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