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Add thread for displaying manual topics, add loading text when switching topics

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This commit is contained in:
skylarmt 2015-01-02 02:18:45 -07:00
parent a12c5e5a96
commit f34e03fd0c
1 changed files with 76 additions and 49 deletions
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125
src/net/apocalypselabs/symat/Help.java
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@ -31,6 +31,7 @@ import java.awt.Color;
import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.util.Calendar;
import javax.swing.SwingUtilities;
import javax.swing.text.html.HTMLEditorKit;
import javax.swing.text.html.StyleSheet;
@ -95,56 +96,11 @@ public class Help extends javax.swing.JInternalFrame {
/**
* Load a help topic from the help package.
* @param name The name of the help file, without the ".html".
*
* @param topicName The name of the help file, without the ".html".
*/
public void loadTopic(String name) {
if (name.equals("welcome")) {
String text = "<html><head><title>About SyMAT</title></head>"
+ "<body>"
+ "<h1>Welcome to SyMAT!</h1>"
+ "<p>SyMAT is a Java-based algebra and calculus system. "
+ "Scripts and commands can be written in "
+ "JavaScript or Python.</p>"
+ "<p>This is SyMAT version "
+ MainGUI.VERSION_NAME + " (" + (int) MainGUI.APP_CODE + ")."
+ "</p>"
+ "<p>SyMAT is copyright &copy; "
+ Calendar.getInstance().get(Calendar.YEAR)
+ " Apocalypse Laboratories. Some rights reserved."
+ "</p>"
+ "<p>Internal help documentation is "
+ "licensed under the Creative Commons "
+ "Attribution-NonCommercial 4.0 International"
+ " license (CC-BY-NC). "
+ "You can use it in part or in whole "
+ "for any purpose, excepting commercial, as long as "
+ "you attribute Apocalypse Laboratories. See "
+ "http://creativecommons.org/licenses/by-nc/4.0/"
+ " for more information.</p>";
topicBrowser.setText(text);
topicBrowser.setCaretPosition(0);
setTitle("Manual");
} else {
try {
String text = "";
BufferedReader reader = new BufferedReader(
new InputStreamReader(
CodeRunner.class
.getResourceAsStream("help/" + name + ".html")));
String line;
while ((line = reader.readLine()) != null) {
text += line;
}
topicBrowser.setText(text);
topicBrowser.setCaretPosition(0);
setTitle("Manual (" + topicList.getSelectedValue().toString() + ")");
} catch (Exception e) {
//JOptionPane.showInternalMessageDialog(MainGUI.mainPane,
//"Error: Cannot load help topic "+name+".\n\n"+e.getMessage());
topicBrowser.setText("<html><head></head><body><p><b>Error:</b><br>Cannot get help topic \""
+ name + "\".<br>(" + e.getMessage() + ")</p></body></html>");
}
}
public void loadTopic(String topicName) {
new LoadThread(topicName).start();
}
/**
@ -244,6 +200,77 @@ public class Help extends javax.swing.JInternalFrame {
loadTheme();
}//GEN-LAST:event_topicBrowserMouseClicked
private class LoadThread extends Thread {
String name;
public LoadThread(String topic) {
name = topic;
}
@Override
public void run() {
setText("<p><i>Loading...</i></p>", "Manual");
if (name.equals("welcome")) {
final String text = "<html><head><title>About SyMAT</title></head>"
+ "<body>"
+ "<h1>Welcome to SyMAT!</h1>"
+ "<p>SyMAT is a Java-based algebra and calculus system. "
+ "Scripts and commands can be written in "
+ "JavaScript or Python.</p>"
+ "<p>This is SyMAT version "
+ MainGUI.VERSION_NAME + " (" + (int) MainGUI.APP_CODE + ")."
+ "</p>"
+ "<p>SyMAT is copyright &copy; "
+ Calendar.getInstance().get(Calendar.YEAR)
+ " Apocalypse Laboratories. Some rights reserved."
+ "</p>"
+ "<p>Internal help documentation is "
+ "licensed under the Creative Commons "
+ "Attribution-NonCommercial 4.0 International"
+ " license (CC-BY-NC). "
+ "You can use it in part or in whole "
+ "for any purpose, excepting commercial, as long as "
+ "you attribute Apocalypse Laboratories. See "
+ "http://creativecommons.org/licenses/by-nc/4.0/"
+ " for more information.</p>";
setText(text, "Manual");
} else {
try {
String text = "";
BufferedReader reader = new BufferedReader(
new InputStreamReader(
CodeRunner.class
.getResourceAsStream("help/" + name + ".html")));
String line;
while ((line = reader.readLine()) != null) {
text += line;
}
setText(text, "Manual (" + topicList.getSelectedValue().toString() + ")");
} catch (Exception e) {
//JOptionPane.showInternalMessageDialog(MainGUI.mainPane,
//"Error: Cannot load help topic "+name+".\n\n"+e.getMessage());
setText("<html><head></head><body><p><b>Error:</b><br>Cannot get help topic \""
+ name + "\".<br>(" + e.getMessage() + ")</p></body></html>", "Manual");
}
}
}
private void setText(String string, String wintitle) {
final String text = string;
final String title = wintitle;
SwingUtilities.invokeLater(
new Runnable() {
@Override
public void run() {
topicBrowser.setText(text);
topicBrowser.setCaretPosition(0);
setTitle(title);
}
});
}
}
// Variables declaration - do not modify//GEN-BEGIN:variables
private javax.swing.JScrollPane jScrollPane1;
private javax.swing.JScrollPane jScrollPane2;