Moved remotely
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mbirth
parent
c0cfef1c7a
commit
cbc210793d
219
MyQuestions.java
Normal file
219
MyQuestions.java
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import java.awt.BorderLayout;
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import java.awt.Button;
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import java.awt.Dialog;
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import java.awt.FlowLayout;
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import java.awt.Font;
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import java.awt.FontMetrics;
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import java.awt.Frame;
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import java.awt.GridLayout;
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import java.awt.Label;
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import java.awt.Panel;
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import java.awt.Rectangle;
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import java.awt.SystemColor;
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import java.awt.TextField;
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import java.awt.event.ActionEvent;
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import java.awt.event.ActionListener;
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public class MyQuestions implements ActionListener {
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public final static int YES = 1;
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public final static int NO = -1;
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Frame parent;
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Font ftDialog;
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Dialog diDialog;
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Button btOK = new Button();
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Button btCancel = new Button();
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Panel pnButtons = new Panel(new FlowLayout(FlowLayout.RIGHT));
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TextField tfInput = new TextField();
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int maxWidth = 200;
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int result = 0;
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String userinput = null;
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WrapperDefs[] wd;
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public MyQuestions(Frame p, Font ft) {
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parent = p;
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ftDialog = ft;
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btOK.addActionListener(this);
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btCancel.addActionListener(this);
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wd = new WrapperDefs[3];
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wd[0] = new WrapperDefs(" ", true);
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wd[1] = new WrapperDefs("\\", false, true);
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wd[2] = new WrapperDefs("-", false, false);
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}
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public MyQuestions(Frame p) {
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this(p, new Font("Dialog", Font.PLAIN, 8));
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}
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private int getLastWrap(String text) {
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for (int i=text.length()-1;i>0;i--) {
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for (int j=0;j<wd.length;j++) {
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if (text.substring(i,i+wd[j].w.length()).equals(wd[j].w)) {
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return i;
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}
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}
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}
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return -1;
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}
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private Rectangle getBnds(Dialog di) {
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Rectangle rtWindow = parent.getBounds();
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Rectangle rtResult = di.getBounds();
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rtResult.x = rtWindow.x+(rtWindow.width-rtResult.width)/2;
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rtResult.y = rtWindow.y+rtWindow.height-rtResult.height;
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return rtResult;
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}
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private void makeText(Dialog di, String text) {
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String[] txts = new String[1];
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String[] tmps;
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txts[0] = text;
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// convert newline character
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while (txts[txts.length-1].indexOf("\n") != -1) {
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tmps = new String[txts.length+1];
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for (int i=0;i<txts.length;i++) {
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tmps[i] = txts[i];
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}
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tmps[tmps.length-2] = txts[txts.length-1].substring(0,txts[txts.length-1].indexOf("\n"));
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tmps[tmps.length-1] = txts[txts.length-1].substring(txts[txts.length-1].indexOf("\n")+1);
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txts = tmps;
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}
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// make each line below maxWidth as long as there is a whitespace in it
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int idx;
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FontMetrics fm = di.getFontMetrics(ftDialog);
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for (int i=0;i<txts.length;i++) {
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txts[i] = txts[i].trim();
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while (fm.stringWidth(txts[i]) > maxWidth && txts[i].indexOf(" ") != -1) {
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// auto-lengthen txts, if there is more space needed
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if (i+1>=txts.length) {
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tmps = new String[txts.length+1];
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for (int j=0;j<txts.length;j++) {
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tmps[j] = txts[j];
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}
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tmps[tmps.length-1] = "";
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txts = tmps;
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}
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// wrap word to next line
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idx = txts[i].lastIndexOf(" ");
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txts[i+1] = txts[i].substring(idx) + txts[i+1];
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txts[i] = txts[i].substring(0, idx);
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}
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}
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// create Panel with Labels and add to Dialog
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Panel pn = new Panel(new GridLayout(0,1,0,0));
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Label[] lbs = new Label[txts.length];
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for (int i=0;i<lbs.length;i++) {
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lbs[i] = new Label(txts[i]);
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pn.add(lbs[i]);
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}
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di.add(pn, BorderLayout.NORTH);
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}
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public void msgBox(String title, String text, String buttext) {
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btOK.setLabel(buttext);
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diDialog = new Dialog(parent, title, true);
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diDialog.setFont(ftDialog);
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diDialog.setLayout(new BorderLayout());
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diDialog.setBackground(SystemColor.control);
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pnButtons.removeAll();
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pnButtons.add(btOK);
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makeText(diDialog, text);
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diDialog.add(pnButtons, BorderLayout.SOUTH);
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diDialog.pack();
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diDialog.setBounds(getBnds(diDialog));
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diDialog.show();
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}
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public void msgBox(String title, String text) {
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msgBox(title, text, "OK");
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}
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public String inputBox(String title, String text, String definput, String yestext, String notext) {
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btOK.setLabel(yestext);
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btCancel.setLabel(notext);
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tfInput.setText(definput);
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diDialog = new Dialog(parent, title, true);
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diDialog.setFont(ftDialog);
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diDialog.setLayout(new BorderLayout());
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diDialog.setBackground(SystemColor.control);
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pnButtons.removeAll();
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pnButtons.add(btCancel);
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pnButtons.add(btOK);
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makeText(diDialog, text);
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diDialog.add(tfInput, BorderLayout.CENTER);
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diDialog.add(pnButtons, BorderLayout.SOUTH);
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diDialog.pack();
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diDialog.setBounds(getBnds(diDialog));
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diDialog.show();
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if (result == YES) {
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return tfInput.getText();
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} else {
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return null;
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}
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}
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public String inputBox(String title, String text, String definput) {
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return inputBox(title, text, definput, "OK", "Cancel");
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}
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public String inputBox(String title, String text) {
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return inputBox(title, text, "");
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}
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public int yesnoBox(String title, String text, String yestext, String notext) {
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btOK.setLabel(yestext);
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btCancel.setLabel(notext);
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diDialog = new Dialog(parent, title, true);
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diDialog.setFont(ftDialog);
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diDialog.setLayout(new BorderLayout());
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diDialog.setBackground(SystemColor.control);
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pnButtons.removeAll();
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pnButtons.add(btCancel);
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pnButtons.add(btOK);
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makeText(diDialog, text);
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diDialog.add(pnButtons, BorderLayout.SOUTH);
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diDialog.pack();
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diDialog.setBounds(getBnds(diDialog));
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diDialog.show();
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return result;
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}
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public int yesnoBox(String title, String text) {
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return yesnoBox(title, text, "Yes", "No");
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}
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public void actionPerformed(ActionEvent ae) {
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if (ae.getSource().equals(btOK)) {
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result = YES;
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diDialog.setVisible(false);
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} else if (ae.getSource().equals(btCancel)) {
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result = NO;
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diDialog.setVisible(false);
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}
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}
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class WrapperDefs {
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String w;
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boolean remove;
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boolean before;
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public WrapperDefs(String w) {
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this(w, false, false);
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}
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public WrapperDefs(String w, boolean r) {
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this(w, r, false);
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}
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public WrapperDefs(String w, boolean r, boolean b) {
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this.w = w;
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remove = r;
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before = b;
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}
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}
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}
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