plugins/net.mograsim.logic.model.editor/src/net/mograsim/logic/model/editor/ui/EditorGUI.java

   1 package net.mograsim.logic.model.editor.ui;
   2
   3 import java.io.IOException;
   4
   5 import org.eclipse.swt.SWT;
   6 import org.eclipse.swt.graphics.Point;
   7 import org.eclipse.swt.graphics.Rectangle;
   8 import org.eclipse.swt.layout.GridData;
   9 import org.eclipse.swt.layout.GridLayout;
  10 import org.eclipse.swt.widgets.Composite;
  11 import org.eclipse.swt.widgets.Display;
  12 import org.eclipse.swt.widgets.List;
  13 import org.eclipse.swt.widgets.Menu;
  14 import org.eclipse.swt.widgets.MenuItem;
  15 import org.eclipse.swt.widgets.Shell;
  16 import org.eclipse.swt.widgets.ToolBar;
  17 import org.eclipse.swt.widgets.ToolItem;
  18
  19 import net.haspamelodica.swt.helper.zoomablecanvas.helper.ZoomableCanvasOverlay;
  20 import net.haspamelodica.swt.helper.zoomablecanvas.helper.ZoomableCanvasUserInput;
  21 import net.mograsim.logic.model.editor.Editor;
  22 import net.mograsim.logic.model.editor.SaveLoadManager;
  23 import net.mograsim.logic.model.serializing.IndirectModelComponentCreator;
  24
  25 public class EditorGUI
  26 {
  27         public final Display display;
  28         public final Shell shell;
  29         public final EditorCanvas logicCanvas;
  30         private final List addList;
  31         private final Editor editor;
  32
  33         public EditorGUI(Editor editor)
  34         {
  35                 this.editor = editor;
  36                 display = Display.getDefault();
  37                 shell = new Shell(display);
  38
  39                 GridLayout layout = new GridLayout();
  40                 layout.numColumns = 1;
  41                 shell.setLayout(layout);
  42
  43                 setupTopToolBar(shell);
  44                 Composite innerComp = new Composite(shell, SWT.NONE);
  45                 GridData innerCompData = new GridData();
  46                 innerCompData.grabExcessHorizontalSpace = true;
  47                 innerCompData.grabExcessVerticalSpace = true;
  48                 innerCompData.horizontalAlignment = SWT.FILL;
  49                 innerCompData.verticalAlignment = SWT.FILL;
  50                 innerComp.setLayoutData(innerCompData);
  51
  52                 GridLayout innerLayout = new GridLayout();
  53                 innerComp.setLayout(innerLayout);
  54                 innerLayout.numColumns = 2;
  55
  56                 GridData d = new GridData();
  57                 d.grabExcessHorizontalSpace = true;
  58                 d.horizontalAlignment = SWT.FILL;
  59                 d.grabExcessVerticalSpace = true;
  60                 d.verticalAlignment = SWT.FILL;
  61
  62                 logicCanvas = new EditorCanvas(innerComp, SWT.TRAIL, editor);
  63                 logicCanvas.setLayoutData(d);
  64
  65                 d = new GridData();
  66                 d.grabExcessVerticalSpace = true;
  67                 d.verticalAlignment = SWT.FILL;
  68                 d.verticalSpan = 2;
  69                 addList = new List(innerComp, SWT.V_SCROLL);
  70                 addList.setLayoutData(d);
  71                 refreshAddList();
  72
  73                 setupBottomToolBar(innerComp);
  74
  75                 ZoomableCanvasUserInput userInput = new ZoomableCanvasUserInput(logicCanvas);
  76                 userInput.buttonDrag = 3;
  77                 userInput.buttonZoom = 2;
  78                 userInput.enableUserInput();
  79                 new ZoomableCanvasOverlay(logicCanvas, null).enableScale();
  80         }
  81
  82         private ToolBar setupTopToolBar(Composite parent)
  83         {
  84                 GridData d = new GridData();
  85                 d.grabExcessHorizontalSpace = true;
  86                 d.horizontalAlignment = SWT.FILL;
  87
  88                 ToolBar toolBar = new ToolBar(parent, SWT.BORDER);
  89                 toolBar.setLayoutData(d);
  90
  91                 ToolItem file = new ToolItem(toolBar, SWT.DROP_DOWN);
  92
  93                 // TODO
  94                 DropDownEntry newEntry = new DropDownEntry("New", Editor::openNewEditor);
  95                 DropDownEntry loadEntry = new DropDownEntry("Load", () ->
  96                 {
  97                         try
  98                         {
  99                                 SaveLoadManager.openLoadDialog();
 100                         }
 101                         catch (IOException e)
 102                         {
 103                                 editor.dialogManager.openWarningDialog("Failed to load Component!", e.getMessage());
 104                         }
 105                 });
 106                 DropDownEntry saveEntry = new DropDownEntry("Save", editor::save);
 107                 DropDownEntry saveAsEntry = new DropDownEntry("Save as...", editor::saveAs);
 108
 109                 DropDownEntry[] entries = new DropDownEntry[] { newEntry, loadEntry, saveEntry, saveAsEntry };
 110
 111                 setupDrowpDownMenu(file, entries);
 112
 113                 file.setText("File");
 114                 return toolBar;
 115         }
 116
 117         @SuppressWarnings("unused") // ToolItem
 118         private ToolBar setupBottomToolBar(Composite parent)
 119         {
 120                 GridData d = new GridData();
 121                 d.grabExcessHorizontalSpace = true;
 122                 d.horizontalAlignment = SWT.FILL;
 123
 124                 ToolBar toolBar = new ToolBar(parent, SWT.BORDER);
 125                 toolBar.setLayoutData(d);
 126
 127                 ToolItem snappingLabel = new ToolItem(toolBar, SWT.NONE);
 128                 snappingLabel.setText("Snapping:");
 129
 130                 ToolItem snappSelect = new ToolItem(toolBar, SWT.DROP_DOWN);
 131                 DropDownEntry[] entries = new DropDownEntry[Editor.Snapping.values().length];
 132                 int index = 0;
 133                 for (Editor.Snapping sn : Editor.Snapping.values())
 134                 {
 135                         entries[index++] = new DropDownEntry(sn.toString(), () ->
 136                         {
 137                                 editor.setSnapping(sn);
 138                                 snappSelect.setText(sn.toString());
 139                         });
 140                 }
 141                 snappSelect.setText(editor.getSnapping().toString());
 142                 setupDrowpDownMenu(snappSelect, entries);
 143
 144                 new ToolItem(toolBar, SWT.SEPARATOR);
 145
 146                 toolBar.pack();
 147
 148                 return toolBar;
 149         }
 150
 151         private void setupDrowpDownMenu(ToolItem parent, DropDownEntry[] entries)
 152         {
 153                 Menu menu = new Menu(shell, SWT.POP_UP);
 154                 for (DropDownEntry entry : entries)
 155                 {
 156                         MenuItem item = new MenuItem(menu, SWT.PUSH);
 157                         item.addListener(SWT.Selection, e -> entry.onSelected.run());
 158                         item.setText(entry.title);
 159                 }
 160
 161                 parent.addListener(SWT.Selection, e ->
 162                 {
 163                         Rectangle rect = parent.getBounds();
 164                         Point pt = new Point(rect.x, rect.y + rect.height);
 165                         pt = parent.getParent().toDisplay(pt);
 166                         menu.setLocation(pt.x, pt.y);
 167                         menu.setVisible(true);
 168                 });
 169         }
 170
 171         private static class DropDownEntry
 172         {
 173                 public final String title;
 174                 public final Runnable onSelected;
 175
 176                 public DropDownEntry(String title, Runnable onSelected)
 177                 {
 178                         super();
 179                         this.title = title;
 180                         this.onSelected = onSelected;
 181                 }
 182         }
 183
 184         public void refreshAddList()
 185         {
 186                 addList.setItems(IndirectModelComponentCreator.getStandardComponentIDs().keySet().stream().sorted().toArray(String[]::new));
 187                 addList.select(0);
 188         }
 189
 190         public String getAddListSelected()
 191         {
 192                 String[] selection = addList.getSelection();
 193                 if (selection.length == 0)
 194                         throw new IllegalStateException("Selection in the Add Component List may never be empty!");
 195                 return selection[0];
 196         }
 197
 198         public void open()
 199         {
 200                 shell.open();
 201                 while (!shell.isDisposed())
 202                         if (!display.readAndDispatch())
 203                                 display.sleep();
 204         }
 205 }