site/j2s/swingjs/plaf/JSSliderUI.java

   1 package swingjs.plaf;\r
   2 \r
   3 \r
   4 import javax.swing.SwingConstants;\r
   5 \r
   6 import jsjava.awt.Dimension;\r
   7 import jsjava.beans.PropertyChangeEvent;\r
   8 import jsjava.beans.PropertyChangeListener;\r
   9 import jsjavax.swing.JSlider;\r
  10 import jsjavax.swing.event.ChangeEvent;\r
  11 import jsjavax.swing.event.ChangeListener;\r
  12 import swingjs.J2SRequireImport;\r
  13 import swingjs.JSToolkit;\r
  14 import swingjs.api.DOMNode;\r
  15 \r
  16 @J2SRequireImport(swingjs.jquery.JQueryUI.class)\r
  17 public class JSSliderUI extends JSComponentUI implements PropertyChangeListener, ChangeListener {\r
  18 \r
  19         private JSlider jSlider;\r
  20         private int min, max, val;\r
  21         private String orientation;\r
  22         \r
  23         protected DOMNode jqSlider;\r
  24         private int z0 = Integer.MIN_VALUE;\r
  25 \r
  26         public JSSliderUI() {\r
  27                 needPreferred = true;\r
  28                 setDoc();\r
  29         }\r
  30 \r
  31         static {                \r
  32                 JSToolkit.getJavaResource("swingjs/jquery/jquery-ui-slider.css");\r
  33                 JSToolkit.getJavaResource("swingjs/jquery/jquery-ui-slider.js");\r
  34         }\r
  35         @Override\r
  36         public DOMNode getDOMObject() {\r
  37                 JSlider js  = jSlider = (JSlider) c;\r
  38                 boolean isNew = (domNode == null);\r
  39                 if (isNew) {\r
  40                         domNode = wrap("div", id + "_wrap", jqSlider = DOMNode.createElement("div", id));\r
  41                         DOMNode.setAttr(domNode, "className", "swingjs");\r
  42                         orientation = (js.getOrientation() == SwingConstants.VERTICAL ? "vertical" : "horizontal");\r
  43                         min = js.getMinimum();\r
  44                         max = js.getMaximum();\r
  45                         val = js.getValue();\r
  46                                         \r
  47 \r
  48                         /**     \r
  49                          * @j2sNative\r
  50                          *\r
  51     var me = this;\r
  52     me.$(me.jqSlider).slider({\r
  53       orientation: me.orientation,\r
  54       range: false,\r
  55       min: me.min,\r
  56       max: me.max,\r
  57       value: me.val,\r
  58       change: function( event, handle ) {\r
  59         me.jqueryCallback(event, handle);\r
  60       },\r
  61       slide: function( event, handle ) {\r
  62         me.jqueryCallback(event, handle);\r
  63       }\r
  64     });\r
  65     \r
  66                          */\r
  67                         {}\r
  68                         \r
  69                 }\r
  70                 setZ(isNew);\r
  71     return domNode;\r
  72         }\r
  73 \r
  74         /**\r
  75          * \r
  76          * @param isNew\r
  77          */\r
  78         private void setZ(boolean isNew) {\r
  79                 int z = JSToolkit.getZIndex(this, null);\r
  80                 if (z == z0)\r
  81                         return;\r
  82                 z0 = z;\r
  83                 System.out.println("JSSliderUI setting z to " + z);\r
  84                 DOMNode sliderTrack = null;\r
  85                 DOMNode sliderHandle = null;\r
  86                 /**\r
  87                  * @j2sNative\r
  88                  * \r
  89                  * sliderTrack = this.domNode.firstChild;\r
  90                  * sliderHandle = sliderTrack.firstChild;\r
  91                  * sliderTrack.style["z-index"] = z++;\r
  92                  * sliderHandle.style["z-index"] = z++;\r
  93                  */\r
  94                 {}\r
  95                 // mark the handle and track with the "swingjs-ui" class\r
  96                 // so as to ignore all mouse/touch events from Jmol._jsSetMouse();\r
  97                 if (isNew) {\r
  98                         $(sliderHandle).addClass("swingjs-ui");\r
  99                         $(sliderTrack).addClass("swingjs-ui");\r
 100                 }\r
 101         }\r
 102 \r
 103         /**\r
 104          * called from JavaScript via the hook added in getDOMObject  \r
 105          * \r
 106          * @param event\r
 107          * @param ui\r
 108          */\r
 109         public void jqueryCallback(Object event, DOMNode ui) {\r
 110                 // from JavaScript\r
 111                 int value = 0;\r
 112                 \r
 113                 /**\r
 114                  * @j2sNative\r
 115                  * \r
 116                  * value = ui.value;\r
 117                  * \r
 118                  */\r
 119                 {}\r
 120                 \r
 121                 jSlider.setValue(val = value);\r
 122         }\r
 123         \r
 124         protected Dimension setHTMLSize(DOMNode obj, boolean addCSS) {\r
 125                 return (orientation == "horizontal" ? new Dimension(100, 20) : new Dimension(20, 100));\r
 126         }\r
 127 \r
 128         @Override\r
 129         protected void installJSUI() {\r
 130           jSlider.addChangeListener(this);\r
 131           jSlider.addPropertyChangeListener(this);\r
 132         }\r
 133 \r
 134         @Override\r
 135         protected void uninstallJSUI() {\r
 136           jSlider.removeChangeListener(this);\r
 137           jSlider.removePropertyChangeListener(this);\r
 138         }\r
 139 \r
 140         @Override\r
 141         public void propertyChange(PropertyChangeEvent e) {\r
 142                 String prop = e.getPropertyName();\r
 143                 System.out.println(id + " propertyChange " + prop);\r
 144                 if (prop == "ancestor")\r
 145                         setZ(false);\r
 146         }\r
 147 \r
 148         @Override\r
 149         public void stateChanged(ChangeEvent e) {\r
 150                 // from Java\r
 151                 int v;\r
 152                 if ((v = jSlider.getMinimum()) != min)\r
 153                         setSliderAttr("min", min = v);\r
 154                 if ((v = jSlider.getMaximum()) != max)\r
 155                         setSliderAttr("max", max = v);          \r
 156                 if ((v = jSlider.getValue()) != val)\r
 157                         setSliderAttr("value", val = v);                \r
 158                 setZ(false);\r
 159         }\r
 160 \r
 161         private void setSliderAttr(String key, int val) {\r
 162                 System.out.println(id + " setting " + key + " = " + val);\r
 163                 /**\r
 164                  * @j2sNative\r
 165                  * \r
 166                  *  var a = {};\r
 167                  *  a[key]= val;\r
 168                  *  this.$(this.jqSlider).slider(a);\r
 169                  */\r
 170                 {}\r
 171         }\r
 172 \r
 173 }\r