/*
- * Jalview - A Sequence Alignment Editor and Viewer (Version 2.8.0b1)
- * Copyright (C) 2014 The Jalview Authors
+ * Jalview - A Sequence Alignment Editor and Viewer ($$Version-Rel$$)
+ * Copyright (C) $$Year-Rel$$ The Jalview Authors
*
* This file is part of Jalview.
*
* Jalview is free software: you can redistribute it and/or
* modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
+ * as published by the Free Software Foundation, either version 3
+ * of the License, or (at your option) any later version.
*
* Jalview is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty
* of MERCHANTABILITY or FITNESS FOR A PARTICULAR
* PURPOSE. See the GNU General Public License for more details.
*
- * You should have received a copy of the GNU General Public License along with Jalview. If not, see <http://www.gnu.org/licenses/>.
+ * You should have received a copy of the GNU General Public License
+ * along with Jalview. If not, see <http://www.gnu.org/licenses/>.
* The Jalview Authors are detailed in the 'AUTHORS' file.
*/
package jalview.util;
+import java.awt.event.MouseEvent;
+
/**
* System platform information used by Applet and Application
*
*/
public class Platform
{
+ private static Boolean isAMac = null, isWindows = null, isLinux = null;
+
+ private static Boolean isHeadless = null;
+
+ /**
+ * added to check LaF for Linux
+ *
+ * @return
+ */
+ public static boolean isLinux()
+ {
+ return (isLinux == null
+ ? (isLinux = (System.getProperty("os.name").indexOf("Linux") >= 0))
+ : isLinux);
+ }
+
/**
* sorry folks - Macs really are different
*
* @return true if we do things in a special way.
*/
- public boolean isAMac()
+ public static boolean isAMac()
{
- return java.lang.System.getProperty("os.name").indexOf("Mac") > -1;
+ if (isAMac == null)
+ {
+ isAMac = System.getProperty("os.name").indexOf("Mac") > -1;
+ }
+
+ return isAMac.booleanValue();
}
- public boolean isHeadless()
+ /**
+ * Check if we are on a Microsoft plaform...
+ *
+ * @return true if we have to cope with another platform variation
+ */
+ public static boolean isWindows()
{
- String hdls = java.lang.System.getProperty("java.awt.headless");
+ if (isWindows == null)
+ {
+ isWindows = System.getProperty("os.name").indexOf("Win") > -1;
+ }
+ return isWindows.booleanValue();
+ }
- 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;
}
/**
}
/**
- * escape a string according to the local platform's escape character
+ * Answers the input with every backslash replaced with a double backslash (an
+ * 'escaped' single backslash)
+ *
+ * @param s
+ * @return
+ */
+ public static String escapeBackslashes(String s)
+ {
+ return s == null ? null : s.replace("\\", "\\\\");
+ }
+
+ /**
+ * 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,
+ * you can use e.isPopupTrigger().
*
- * @param file
- * @return escaped file
+ * @param e
+ * @return
*/
- public static String escapeString(String file)
+ public static boolean isControlDown(MouseEvent e)
{
- StringBuffer f = new StringBuffer();
- int p = 0, lastp = 0;
- while ((p = file.indexOf('\\', lastp)) > -1)
+ boolean aMac = isAMac();
+ return isControlDown(e, aMac);
+ }
+
+ /**
+ * Overloaded version of method (to allow unit testing)
+ *
+ * @param e
+ * @param aMac
+ * @return
+ */
+ protected static boolean isControlDown(MouseEvent e, boolean aMac)
+ {
+ if (aMac)
+ {
+ /*
+ * answer false for right mouse button
+ */
+ if (e.isPopupTrigger())
+ {
+ return false;
+ }
+ return (jalview.util.ShortcutKeyMaskExWrapper
+ .getMenuShortcutKeyMaskEx() // .getMenuShortcutKeyMaskEx()
+ & jalview.util.ShortcutKeyMaskExWrapper
+ .getModifiersEx(e)) != 0; // getModifiers()) != 0;
+ }
+ return e.isControlDown();
+ }
+
+ /**
+ * A (case sensitive) file path comparator that ignores the difference between
+ * / and \
+ *
+ * @param path1
+ * @param path2
+ * @return
+ */
+ public static boolean pathEquals(String path1, String path2)
+ {
+ if (path1 == null)
+ {
+ return path2 == null;
+ }
+ if (path2 == null)
{
- f.append(file.subSequence(lastp, p));
- f.append("\\\\");
- lastp = p + 1;
+ return false;
}
- f.append(file.substring(lastp));
- return f.toString();
+ String p1 = path1.replace('\\', '/');
+ String p2 = path2.replace('\\', '/');
+ return p1.equals(p2);
}
}