author | wenzelm |
Fri, 02 Jan 2015 20:54:14 +0100 | |
changeset 59239 | d20cdab3bfeb |
parent 59238 | 8a85fe32c278 |
child 59240 | e411afcfaa29 |
permissions | -rw-r--r-- |
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/* Title: Tools/Graphview/graph_panel.scala |
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2 |
Author: Markus Kaiser, TU Muenchen |
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parents:
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3 |
|
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parents:
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4 |
Graphview Java2D drawing panel. |
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parents:
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5 |
*/ |
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parents:
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6 |
|
61988f9df94d
added Graphview tool, based on Isabelle/Scala and Swing/Graphics2D;
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parents:
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package isabelle.graphview |
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import isabelle._ |
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|
61988f9df94d
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parents:
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import java.awt.{Dimension, Graphics2D, Point, Rectangle} |
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import java.awt.geom.{AffineTransform, Point2D} |
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import java.awt.image.BufferedImage |
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import javax.swing.{JScrollPane, JComponent, SwingUtilities} |
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|
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parents:
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import scala.swing.{Panel, ScrollPane} |
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import scala.swing.event.{Event, Key, KeyTyped, MousePressed, MouseDragged, MouseClicked, MouseEvent} |
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|
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parents:
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|
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class Graph_Panel(val visualizer: Visualizer) extends ScrollPane |
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{ |
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panel => |
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|
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override lazy val peer: JScrollPane = new JScrollPane with SuperMixin { |
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override def getToolTipText(event: java.awt.event.MouseEvent): String = |
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node(Transform.pane_to_graph_coordinates(event.getPoint)) match { |
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case Some(name) => |
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visualizer.model.complete_graph.get_node(name).content match { |
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case Nil => null |
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case content => visualizer.make_tooltip(panel.peer, event.getX, event.getY, content) |
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} |
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case None => null |
|
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} |
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} |
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||
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focusable = true |
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requestFocus() |
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|
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parents:
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horizontalScrollBarPolicy = ScrollPane.BarPolicy.Always |
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verticalScrollBarPolicy = ScrollPane.BarPolicy.Always |
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|
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peer.getVerticalScrollBar.setUnitIncrement(10) |
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def node(at: Point2D): Option[String] = |
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{ |
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val gfx = visualizer.graphics_context() |
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visualizer.model.visible_nodes_iterator |
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.find(name => visualizer.Drawer.shape(gfx, Some(name)).contains(at)) |
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} |
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|
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def refresh() |
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{ |
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if (paint_panel != null) { |
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paint_panel.set_preferred_size() |
|
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paint_panel.repaint() |
|
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} |
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} |
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parents:
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|
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parents:
diff
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def fit_to_window() = { |
61988f9df94d
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parents:
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Transform.fit_to_window() |
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parents:
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refresh() |
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parents:
diff
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} |
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val zoom = new GUI.Zoom_Box { def changed = rescale(0.01 * factor) } |
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def rescale(s: Double) |
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{ |
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Transform.scale = s |
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if (zoom != null) zoom.set_item((Transform.scale_discrete * 100).round.toInt) |
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refresh() |
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} |
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||
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def apply_layout() = visualizer.Coordinates.update_layout() |
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parents:
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private class Paint_Panel extends Panel |
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{ |
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def set_preferred_size() |
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{ |
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val (minX, minY, maxX, maxY) = visualizer.Coordinates.bounds() |
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val s = Transform.scale_discrete |
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val (px, py) = Transform.padding |
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parents:
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preferredSize = |
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new Dimension( |
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(math.abs(maxX - minX + px) * s).toInt, |
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(math.abs(maxY - minY + py) * s).toInt) |
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revalidate() |
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} |
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override def paint(g: Graphics2D) |
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{ |
|
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parents:
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super.paintComponent(g) |
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g.setColor(visualizer.background_color) |
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g.fillRect(0, 0, peer.getWidth, peer.getHeight) |
|
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parents:
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g.transform(Transform()) |
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visualizer.Drawer.paint_all_visible(g, true) |
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parents:
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} |
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} |
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private val paint_panel = new Paint_Panel |
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parents:
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contents = paint_panel |
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|
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parents:
diff
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listenTo(keys) |
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parents:
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listenTo(mouse.moves) |
61988f9df94d
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parents:
diff
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listenTo(mouse.clicks) |
61988f9df94d
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parents:
diff
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reactions += Interaction.Mouse.react |
61988f9df94d
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parents:
diff
changeset
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reactions += Interaction.Keyboard.react |
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reactions += |
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{ |
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case KeyTyped(_, _, _, _) => repaint(); requestFocus() |
|
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case MousePressed(_, _, _, _, _) => repaint(); requestFocus() |
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case MouseDragged(_, _, _) => repaint(); requestFocus() |
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case MouseClicked(_, _, _, _, _) => repaint(); requestFocus() |
|
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} |
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|
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visualizer.model.Colors.events += { case _ => repaint() } |
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visualizer.model.Mutators.events += { case _ => repaint() } |
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|
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parents:
diff
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apply_layout() |
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rescale(1.0) |
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private object Transform |
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{ |
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val padding = (100, 40) |
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|
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private var _scale: Double = 1.0 |
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def scale: Double = _scale |
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def scale_=(s: Double) |
|
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{ |
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_scale = (s min 10) max 0.1 |
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} |
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def scale_discrete: Double = |
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(_scale * visualizer.font_size).round.toDouble / visualizer.font_size |
|
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def apply() = |
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{ |
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val (minX, minY, _, _) = visualizer.Coordinates.bounds() |
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|
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val at = AffineTransform.getScaleInstance(scale_discrete, scale_discrete) |
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parents:
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at.translate(-minX + padding._1 / 2, -minY + padding._2 / 2) |
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parents:
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at |
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} |
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def fit_to_window() |
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{ |
|
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if (visualizer.model.visible_nodes_iterator.isEmpty) |
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rescale(1.0) |
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else { |
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val (minX, minY, maxX, maxY) = visualizer.Coordinates.bounds() |
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parents:
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|
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parents:
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153 |
val (dx, dy) = (maxX - minX + padding._1, maxY - minY + padding._2) |
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val (sx, sy) = (1.0 * size.width / dx, 1.0 * size.height / dy) |
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rescale(sx min sy) |
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parents:
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156 |
} |
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parents:
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157 |
} |
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59218 | 159 |
def pane_to_graph_coordinates(at: Point2D): Point2D = |
160 |
{ |
|
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val s = Transform.scale_discrete |
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parents:
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162 |
val p = Transform().inverseTransform(peer.getViewport.getViewPosition, null) |
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|
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164 |
p.setLocation(p.getX + at.getX / s, p.getY + at.getY / s) |
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parents:
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p |
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parents:
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166 |
} |
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parents:
diff
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167 |
} |
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|
59218 | 169 |
object Interaction |
170 |
{ |
|
171 |
object Keyboard |
|
172 |
{ |
|
173 |
val react: PartialFunction[Event, Unit] = |
|
174 |
{ |
|
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parents:
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case KeyTyped(_, c, m, _) => typed(c, m) |
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} |
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parents:
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177 |
|
59225 | 178 |
def typed(c: Char, m: Key.Modifiers) = |
59226 | 179 |
c match { |
180 |
case '+' => rescale(Transform.scale * 5.0/4) |
|
181 |
case '-' => rescale(Transform.scale * 4.0/5) |
|
182 |
case '0' => Transform.fit_to_window() |
|
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case '1' => apply_layout() |
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case _ => |
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} |
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} |
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|
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object Mouse |
189 |
{ |
|
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type Dummy = ((String, String), Int) |
50470 | 191 |
|
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192 |
private var draginfo: (Point, Iterable[String], Iterable[Dummy]) = null |
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parents:
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193 |
|
59218 | 194 |
val react: PartialFunction[Event, Unit] = |
195 |
{ |
|
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parents:
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|
196 |
case MousePressed(_, p, _, _, _) => pressed(p) |
59218 | 197 |
case MouseDragged(_, to, _) => |
198 |
drag(draginfo, to) |
|
199 |
val (_, p, d) = draginfo |
|
200 |
draginfo = (to, p, d) |
|
201 |
case e @ MouseClicked(_, p, m, n, _) => click(p, m, n, e) |
|
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202 |
} |
50470 | 203 |
|
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parents:
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204 |
def dummy(at: Point2D): Option[Dummy] = |
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{ |
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val gfx = visualizer.graphics_context() |
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visualizer.model.visible_edges_iterator.map( |
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i => visualizer.Coordinates(i).zipWithIndex.map((i, _))).flatten.find({ |
|
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case (_, ((x, y), _)) => |
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visualizer.Drawer.shape(gfx, None).contains(at.getX() - x, at.getY() - y) |
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}) match { |
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case None => None |
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case Some((name, (_, index))) => Some((name, index)) |
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} |
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} |
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|
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def pressed(at: Point) |
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{ |
|
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val c = Transform.pane_to_graph_coordinates(at) |
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val l = node(c) match { |
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case Some(l) => |
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if (visualizer.Selection(l)) visualizer.Selection() else List(l) |
|
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case None => Nil |
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} |
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val d = |
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l match { |
|
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case Nil => |
|
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dummy(c) match { |
|
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case Some(d) => List(d) |
|
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case None => Nil |
|
231 |
} |
|
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case _ => Nil |
|
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} |
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draginfo = (at, l, d) |
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} |
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|
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def click(at: Point, m: Key.Modifiers, clicks: Int, e: MouseEvent) |
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{ |
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val c = Transform.pane_to_graph_coordinates(at) |
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val p = node(c) |
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|
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def left_click() |
243 |
{ |
|
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|
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(p, m) match { |
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case (Some(l), Key.Modifier.Control) => visualizer.Selection.add(l) |
246 |
case (None, Key.Modifier.Control) => |
|
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|
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case (Some(l), Key.Modifier.Shift) => visualizer.Selection.add(l) |
249 |
case (None, Key.Modifier.Shift) => |
|
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|
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case (Some(l), _) => visualizer.Selection.set(List(l)) |
252 |
case (None, _) => visualizer.Selection.clear |
|
50470 | 253 |
} |
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} |
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|
59218 | 256 |
def right_click() |
257 |
{ |
|
49731 | 258 |
val menu = Popups(panel, p, visualizer.Selection()) |
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|
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menu.show(panel.peer, at.x, at.y) |
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} |
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|
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|
262 |
if (clicks < 2) { |
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parents:
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|
263 |
if (SwingUtilities.isRightMouseButton(e.peer)) right_click() |
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|
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else left_click() |
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|
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} |
50470 | 266 |
} |
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|
267 |
|
59218 | 268 |
def drag(draginfo: (Point, Iterable[String], Iterable[Dummy]), to: Point) |
269 |
{ |
|
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val (from, p, d) = draginfo |
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parents:
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|
271 |
|
50477 | 272 |
val s = Transform.scale_discrete |
50470 | 273 |
val (dx, dy) = (to.x - from.x, to.y - from.y) |
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274 |
(p, d) match { |
59218 | 275 |
case (Nil, Nil) => |
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|
276 |
val r = panel.peer.getViewport.getViewRect |
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|
277 |
r.translate(-dx, -dy) |
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|
278 |
|
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|
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paint_panel.peer.scrollRectToVisible(r) |
50470 | 280 |
|
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|
281 |
case (Nil, ds) => |
49731 | 282 |
ds.foreach(d => visualizer.Coordinates.translate(d, (dx / s, dy / s))) |
50470 | 283 |
|
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|
284 |
case (ls, _) => |
49731 | 285 |
ls.foreach(l => visualizer.Coordinates.translate(l, (dx / s, dy / s))) |
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|
286 |
} |
61988f9df94d
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parents:
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|
287 |
} |
61988f9df94d
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parents:
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|
288 |
} |
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parents:
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|
289 |
} |
61988f9df94d
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|
290 |
} |