author | wenzelm |
Fri, 24 Aug 2012 16:45:55 +0200 | |
changeset 48921 | 5d8d409b897e |
child 48923 | a2df77fcf1eb |
permissions | -rw-r--r-- |
48921
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/* Title: Tools/jEdit/src/hyperlink.scala |
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Author: Fabian Immler, TU Munich |
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Author: Makarius |
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Hyperlinks within jEdit buffers for PIDE proof documents. |
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*/ |
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package isabelle.jedit |
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import isabelle._ |
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import java.io.{File => JFile} |
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import org.gjt.sp.jedit.{View, jEdit} |
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import org.gjt.sp.jedit.textarea.JEditTextArea |
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object Hyperlink |
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{ |
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def apply(file: JFile, line: Int, column: Int): Hyperlink = |
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File_Link(file, line, column) |
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} |
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abstract class Hyperlink |
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{ |
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def follow(view: View): Unit |
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} |
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private case class File_Link(file: JFile, line: Int, column: Int) extends Hyperlink |
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{ |
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override def follow(view: View) |
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{ |
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Swing_Thread.require() |
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val full_name = file.getCanonicalPath |
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val base_name = file.getName |
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Isabelle.jedit_buffer(full_name) match { |
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case Some(buffer) => |
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view.setBuffer(buffer) |
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val text_area = view.getTextArea |
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try { |
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val line_start = text_area.getBuffer.getLineStartOffset(line - 1) |
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text_area.moveCaretPosition(line_start) |
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if (column > 0) text_area.moveCaretPosition(line_start + column - 1) |
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} |
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catch { |
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case _: ArrayIndexOutOfBoundsException => |
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case _: IllegalArgumentException => |
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} |
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case None => |
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val args = |
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if (line <= 0) Array(base_name) |
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else if (column <= 0) Array(base_name, "+line:" + line.toInt) |
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else Array(base_name, "+line:" + line.toInt + "," + column.toInt) |
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jEdit.openFiles(view, file.getParent, args) |
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} |
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} |
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} |
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