import java.awt.Toolkit;
import java.awt.event.MouseEvent;
+import java.io.File;
+import java.util.Properties;
+
+import javax.swing.SwingUtilities;
/**
* System platform information used by Applet and Application
*/
public class Platform
{
+
+ private static boolean isJS = /** @j2sNative true || */false;
+
+ private static Boolean isNoJSMac = null, isNoJSWin = null,
+ isMac = null, isWin = null;
+
+ private static Boolean isHeadless = null;
+
+ /**
+ * added to group mouse events into Windows and nonWindows (mac, unix, linux)
+ * @return
+ */
+ public static boolean isMac()
+ {
+ return (isMac == null ? (isMac = (System.getProperty("os.name").indexOf("Mac") >= 0)) : isMac);
+ }
+
+ /**
+ * added to group mouse events into Windows and nonWindows (mac, unix, linux)
+ * @return
+ */
+ public static boolean isWin()
+ {
+ return (isWin == null ? (isWin = (System.getProperty("os.name").indexOf("Win") >= 0)) : isWin);
+ }
+
+ /**
+ *
+ * @return true if HTML5 JavaScript
+ */
+ public static boolean isJS()
+ {
+ return isJS;
+ }
+
/**
* sorry folks - Macs really are different
*
+ * BH: disabled for SwingJS -- will need to check key-press issues
+ *
* @return true if we do things in a special way.
*/
- public static boolean isAMac()
+ public static boolean isAMacAndNotJS()
{
- return java.lang.System.getProperty("os.name").indexOf("Mac") > -1;
-
+ return (isNoJSMac == null ? (isNoJSMac = !isJS && isMac()) : isNoJSMac);
}
- public static boolean isHeadless()
+/**
+ * Check if we are on a Microsoft plaform...
+ *
+ * @return true if we have to cope with another platform variation
+ */
+ public static boolean isWindowsAndNotJS()
{
- String hdls = java.lang.System.getProperty("java.awt.headless");
+ return (isNoJSWin == null ? (isNoJSWin = !isJS && isWin()) : isNoJSWin);
+ }
- return hdls != null && hdls.equals("true");
+ /**
+ *
+ * @return true if we are running in non-interactive no UI mode
+ */
+ public static boolean isHeadless()
+ {
+ if (isHeadless == null)
+ {
+ isHeadless = "true".equals(System.getProperty("java.awt.headless"));
+ }
+ return isHeadless;
}
/**
/**
* Answers true if the mouse event has Meta-down (Command key on Mac) or
* Ctrl-down (on other o/s). Note this answers _false_ if the Ctrl key is
- * pressed instead of the Meta/Cmd key on Mac. To test for Ctrl-click on Mac,
+ * pressed instead of the Meta/Cmd key on Mac. To test for Ctrl-pressed on Mac,
* you can use e.isPopupTrigger().
*
* @param e
*/
public static boolean isControlDown(MouseEvent e)
{
- if (isAMac())
- {
- return (Toolkit.getDefaultToolkit().getMenuShortcutKeyMask() & e
- .getModifiers()) != 0;
- // could we use e.isMetaDown() here?
+ return isControlDown(e, isMac());
+ }
+
+ /**
+ * Overloaded version of method (to allow unit testing)
+ *
+ * @param e
+ * @param aMac
+ * @return
+ */
+ protected static boolean isControlDown(MouseEvent e, boolean aMac)
+ {
+ if (!aMac) {
+ return e.isControlDown();
}
- return e.isControlDown();
+ // answer false for right mouse button
+ // shortcut key will be META for a Mac
+ return !e.isPopupTrigger()
+ && (Toolkit.getDefaultToolkit().getMenuShortcutKeyMask() & e.getModifiers()) != 0;
+ // could we use e.isMetaDown() here?
+ }
+
+ // BH: I don't know about that previous method. Here is what SwingJS uses.
+ // Notice the distinction in mouse events. (BUTTON3_MASK == META)
+ //
+ // private static boolean isPopupTrigger(int id, int mods, boolean isWin) {
+ // boolean rt = ((mods & InputEvent.BUTTON3_MASK) != 0);
+ // if (isWin) {
+ // if (id != MouseEvent.MOUSE_RELEASED)
+ // return false;
+ ////
+ //// // Oddly, Windows returns InputEvent.META_DOWN_MASK on release, though
+ //// // BUTTON3_DOWN_MASK for pressed. So here we just accept both.
+ ////
+ //// actually, we can use XXX_MASK, not XXX_DOWN_MASK and avoid this issue,
+ // because
+ //// J2S adds the appropriate extended (0x3FC0) and simple (0x3F) modifiers.
+ ////
+ // return rt;
+ // } else {
+ // // mac, linux, unix
+ // if (id != MouseEvent.MOUSE_PRESSED)
+ // return false;
+ // boolean lt = ((mods & InputEvent.BUTTON1_MASK) != 0);
+ // boolean ctrl = ((mods & InputEvent.CTRL_MASK) != 0);
+ // return rt || (ctrl && lt);
+ // }
+ // }
+ //
+
+ /**
+ * Windows (not Mac, Linux, or Unix) and right button
+ * to test for the right-mouse pressed event in Windows
+ * that would have opened a menu or a Mac.
+ *
+ * @param e
+ * @return
+ */
+ public static boolean isWinRightButton(MouseEvent e)
+ {
+ // was !isAMac(), but that is true also for Linux and Unix and JS,
+
+ return isWin() && SwingUtilities.isRightMouseButton(e);
}
+
+
+ /**
+ * Windows (not Mac, Linux, or Unix) and middle button -- for mouse wheeling
+ * without pressing the button.
+ *
+ * @param e
+ * @return
+ */
+ public static boolean isWinMiddleButton(MouseEvent e)
+ {
+ // was !isAMac(), but that is true also for Linux and Unix and JS
+ return isWin() && SwingUtilities.isMiddleMouseButton(e);
+ }
+
+ public static boolean allowMnemonics()
+ {
+ return !isMac();
+ }
+
+ public final static int TIME_RESET = 0;
+ public final static int TIME_MARK = 1;
+ public static final int TIME_SET = 2;
+ public static final int TIME_GET = 3;
+
+ public static long time, mark, set, duration;
+
+ public static void timeCheck(String msg, int mode) {
+ long t = System.currentTimeMillis();
+ switch (mode) {
+ case TIME_RESET:
+ time = mark = t;
+ if (msg != null)
+ {
+ System.err.println("Platform: timer reset\t\t\t" + msg);
+ }
+ break;
+ case TIME_MARK:
+ if (set > 0) {
+ duration += (t - set);
+ } else {
+ if (time == 0)
+ {
+ time = mark = t;
+ }
+ if (msg != null)
+ {
+ System.err.println("Platform: timer mark\t" + ((t - time)/1000f) + "\t" + ((t - mark)/1000f) + "\t" + msg);
+ }
+ mark = t;
+ }
+ break;
+ case TIME_SET:
+ set = t;
+ break;
+ case TIME_GET:
+ if (msg != null)
+ {
+ System.err.println("Platform: timer dur\t" + ((t - time)/1000f) + "\t" + ((duration)/1000f) + "\t" + msg);
+ }
+ set = 0;
+ break;
+ }
+ }
+
+ public static void cacheFileData(String path, byte[] data)
+ {
+ if (!isJS())
+ {
+ return;
+ /**
+ * @j2sNative
+ *
+ * swingjs.JSUtil.cacheFileData$S$O(path, data);
+ *
+ */
+ }
+ }
+
+ public static byte[] getFileBytes(File f)
+ {
+ return /** @j2sNative f && f._bytes || */null;
+ }
+
+ public static byte[] getFileAsBytes(String fileStr)
+ {
+ // BH 2018 hack for no support for access-origin
+ return /** @j2sNative swingjs.JSUtil.getFileAsBytes$O(fileStr) || */ null;
+ }
+
+ public static String getFileAsString(String data)
+ {
+ return /** @j2sNative swingjs.JSUtil.getFileAsString$S(data) || */ null;
+ }
+
+ public static boolean setFileBytes(File f, String urlstring)
+ {
+ if (!isJS())
+ {
+ return false;
+ }
+ @SuppressWarnings("unused")
+ byte[] bytes = getFileAsBytes(urlstring);
+ /** @j2sNative
+ * f._bytes = bytes;
+ */
+ return true;
+ }
+
+
+ public static void addJ2SBinaryType(String ext)
+ {
+ /**
+ * @j2sNative
+ *
+ * J2S._binaryTypes.push("." + ext + "?");
+ *
+ */
+ }
+
+ public static String encodeURI(String value)
+ {
+ /**
+ * @j2sNative
+ * return encodeURIComponent(value);
+ */
+ return value;
+ }
+
+ public static boolean openURL(String url)
+ {
+ if (!isJS())
+ {
+ return false;
+ }
+ /**
+ * @j2sNative
+ *
+ *
+ * window.open(url);
+ */
+ return true;
+ }
+
+ public static String getUniqueAppletID() {
+ @SuppressWarnings("unused")
+ ThreadGroup g = Thread.currentThread().getThreadGroup();
+ /**
+ * @j2sNative return g.html5Applet._uniqueId;
+ *
+ */
+ return null;
+
+ }
+ /**
+ * Read the Info block for this applet.
+ *
+ * @param prefix "jalview_"
+ * @param p
+ * @return unique id for this applet
+ */
+ public static void readInfoProperties(String prefix, Properties p)
+ {
+ @SuppressWarnings("unused")
+ ThreadGroup g = Thread.currentThread().getThreadGroup();
+ String id = getUniqueAppletID();
+ String key = "", value = "";
+ /**
+ * @j2sNative
+ var info = g.html5Applet.__Info || {};
+ for (var key in info) {
+ if (key.indexOf(prefix) == 0) {
+ value = "" + info[key];
+ */
+
+ p.put(id + "_" + key, value);
+
+ /**
+ * @j2sNative
+
+
+ }
+ }
+ */
+ }
+
+
}