bundles/org.simantics.document.swt.core/src/org/simantics/document/swt/core/widget/TrackedTextWidget.java

   1 package org.simantics.document.swt.core.widget;
   2
   3 import java.util.Collection;
   4
   5 import org.eclipse.jface.dialogs.IInputValidator;
   6 import org.eclipse.swt.SWT;
   7 import org.eclipse.swt.graphics.Color;
   8 import org.eclipse.swt.widgets.Composite;
   9 import org.eclipse.swt.widgets.Text;
  10 import org.simantics.datatypes.literal.Font;
  11 import org.simantics.datatypes.literal.RGB;
  12 import org.simantics.document.server.JSONObject;
  13 import org.simantics.document.server.handler.AbstractEventHandler;
  14 import org.simantics.document.server.io.CommandContextImpl;
  15 import org.simantics.document.swt.core.SWTDocument;
  16 import org.simantics.document.swt.core.base.LeafWidgetManager;
  17 import org.simantics.utils.strings.StringInputProblem;
  18 import org.simantics.utils.strings.StringInputValidator;
  19 import org.simantics.utils.ui.widgets.ITrackedColorProvider;
  20 import org.simantics.utils.ui.widgets.TrackedModifyEvent;
  21 import org.simantics.utils.ui.widgets.TrackedModifyListener;
  22 import org.simantics.utils.ui.widgets.TrackedText;
  23
  24 public class TrackedTextWidget extends LeafWidgetManager<Text> {
  25
  26         @Override
  27         protected void doUpdateProperties(final SWTDocument document, Text control, JSONObject object) {
  28
  29                 if(control.isDisposed()) return;
  30
  31                 TrackedText tt = (TrackedText)control.getData(TrackedText.TRACKED_TEXT_KEY);
  32
  33                 String text = object.getJSONField("text");
  34
  35                 final AbstractEventHandler onModify = object.getJSONField("onModify");
  36                 final StringInputValidator validator = object.getJSONField("validator");
  37
  38                 RGB.Integer invalidBackground = object.getBeanJSONFieldDefault("invalidBackground", RGB.Integer.BINDING, new RGB.Integer(255,255,255));
  39                 RGB.Integer inactiveBackground = object.getBeanJSONFieldDefault("inactiveBackground", RGB.Integer.BINDING, new RGB.Integer(255,255,255));
  40                 RGB.Integer hoverBackground = object.getBeanJSONFieldDefault("hoverBackground", RGB.Integer.BINDING, new RGB.Integer(255,255,255));
  41                 RGB.Integer editingBackground = object.getBeanJSONFieldDefault("editingBackground", RGB.Integer.BINDING, new RGB.Integer(255,255,255));
  42
  43                 RGB.Integer foreground = object.getBeanJSONFieldDefault("foreground", RGB.Integer.BINDING, new RGB.Integer(0,0,0));
  44
  45                 Font font = object.getBeanJSONFieldDefault("font", Font.BINDING, new Font("Arial",10,"Normal"));
  46
  47                 final Color invalid = document.getColor(invalidBackground);
  48                 final Color inactive = document.getColor(inactiveBackground);
  49                 final Color hover = document.getColor(hoverBackground);
  50                 final Color editing = document.getColor(editingBackground);
  51
  52                 tt.setColorProvider(new ITrackedColorProvider() {
  53
  54                         @Override
  55                         public Color getInvalidBackground() {
  56                                 return invalid;
  57                         }
  58
  59                         @Override
  60                         public Color getInactiveBackground() {
  61                                 return inactive;
  62                         }
  63
  64                         @Override
  65                         public Color getHoverBackground() {
  66                                 return hover;
  67                         }
  68
  69                         @Override
  70                         public Color getEditingBackground() {
  71                                 return editing;
  72                         }
  73
  74                 });
  75
  76                 if(text != null)
  77                     tt.setTextWithoutNotify(text);
  78                 else
  79                     System.err.println(this + " text == null");
  80                 // This applies coloring
  81                 tt.setEditable(true);
  82
  83                 tt.addModifyListener(new TrackedModifyListener() {
  84
  85                         @Override
  86                         public void modifyText(TrackedModifyEvent e) {
  87                 CommandContextImpl parameters = new CommandContextImpl();
  88                 parameters.putString("text", e.getText());
  89                                 document.post(onModify, parameters);
  90                         }
  91
  92                 });
  93
  94                 if(validator != null) {
  95                         tt.setInputValidator(new IInputValidator() {
  96
  97                                 @Override
  98                                 public String isValid(String newText) {
  99                                         Collection<StringInputProblem> problems = validator.validate(newText);
 100                                         if(problems.isEmpty()) return null;
 101                                         else if (problems.size() == 1) {
 102                                                 return problems.iterator().next().getDescription();
 103                                         } else return problems.toString();
 104                                 }
 105
 106                         });
 107                 }
 108
 109                 control.setFont(document.getFont(font));
 110                 control.setForeground(document.getColor(foreground));
 111
 112         }
 113
 114         @Override
 115         protected Text doCreateControl(SWTDocument document, Composite parent, JSONObject object) {
 116         int style = SWT.NONE;
 117
 118         Boolean multiLine = object.getJSONFieldDefault("multiLine", false);
 119         if(Boolean.TRUE.equals(multiLine))
 120             style |= SWT.MULTI;
 121
 122         Boolean vscroll = object.getJSONFieldDefault("VScroll", false);
 123         if(Boolean.TRUE.equals(vscroll))
 124             style |= SWT.V_SCROLL;
 125
 126         Boolean hscroll = object.getJSONFieldDefault("HScroll", false);
 127         if(Boolean.TRUE.equals(hscroll))
 128             style |= SWT.H_SCROLL;
 129
 130                 TrackedText tt = new TrackedText(parent, style);
 131
 132                 return tt.getWidget();
 133         }
 134
 135 }