/* Title: Tools/Graphview/main_panel.scala
Author: Markus Kaiser, TU Muenchen
Author: Makarius
Graph Panel wrapper.
*/
package isabelle.graphview
import isabelle._
import scala.swing.{BorderPanel, Button, CheckBox, Action, FileChooser}
import java.io.{File => JFile}
import java.awt.{Color, Graphics2D}
import javax.imageio.ImageIO
import javax.swing.border.EmptyBorder
import javax.swing.JComponent
class Main_Panel(model: Model, visualizer: Visualizer) extends BorderPanel
{
focusable = true
requestFocus()
val graph_panel = new Graph_Panel(visualizer)
listenTo(keys)
reactions += graph_panel.reactions
val mutator_dialog = new Mutator_Dialog(visualizer, model.Mutators, "Filters", "Hide", false)
val color_dialog = new Mutator_Dialog(visualizer, model.Colors, "Colorations")
private val chooser = new FileChooser()
chooser.fileSelectionMode = FileChooser.SelectionMode.FilesOnly
chooser.title = "Save image (.png or .pdf)"
val options_panel =
new Wrap_Panel(Wrap_Panel.Alignment.Right)(
new CheckBox() {
selected = visualizer.arrow_heads
action = Action("Arrow heads") { visualizer.arrow_heads = selected; graph_panel.repaint() }
},
new Button {
action = Action("Save image") {
chooser.showSaveDialog(this) match {
case FileChooser.Result.Approve => export(chooser.selectedFile)
case _ =>
}
}
},
graph_panel.zoom,
new Button { action = Action("Fit to window") { graph_panel.fit_to_window() } },
new Button { action = Action("Apply layout") { graph_panel.apply_layout() } },
new Button { action = Action("Colorations") { color_dialog.open } },
new Button { action = Action("Filters") { mutator_dialog.open } })
add(graph_panel, BorderPanel.Position.Center)
add(options_panel, BorderPanel.Position.North)
private def export(file: JFile)
{
val box = visualizer.Coordinates.bounding_box()
val w = box.width.ceil.toInt
val h = box.height.ceil.toInt
def paint(gfx: Graphics2D)
{
gfx.setColor(Color.WHITE)
gfx.fillRect(0, 0, w, h)
gfx.translate(- box.x, - box.y)
visualizer.Drawer.paint_all_visible(gfx, false)
}
try {
val name = file.getName
if (name.endsWith(".png")) Graphics_File.write_png(file, paint _, w, h)
else if (name.endsWith(".pdf")) Graphics_File.write_pdf(file, paint _, w, h)
else error("Bad type of file: " + quote(name) + " (.png or .pdf expected)")
}
catch {
case ERROR(msg) => GUI.error_dialog(this.peer, "Error", GUI.scrollable_text(msg))
}
}
}