slider_test.html

这是一款js组建

      assertInstanceOf(Control.Slider, slider);
      
      slider.setValue(20, 0);
      slider.setValue(150, 2);
      slider.setValue(179, 1);
      
      assertEqual(50, slider.values[0]);
      assertEqual(150, slider.values[2]);
      assertEqual(180, slider.values[1]);
      
      assertEqual("0px", slider.handles[0].style.left);
      assertEqual("225px", slider.handles[2].style.left);
      assertEqual("293px", slider.handles[1].style.left);
      
      assertEqual($R(50,150).inspect(), slider.getRange().inspect());
      assertEqual(30, slider.getRange(1).end-slider.getRange(1).start);
    }},
    
    testMultipleHandlesSpans: function() { with(this) {
      var slider = new Control.Slider(['handle5-1','handle5-2','handle5-3'], 'track5',
        {spans:['span5-1','span5-2'],range:$R(0,300)});
      assertInstanceOf(Control.Slider, slider);
      
      slider.setValue(20,  0);
      slider.setValue(100, 1);
      slider.setValue(150, 2);
  
      assertEqual("20px", $('span5-1').style.left);
      assertEqual("78px", $('span5-1').style.width);
      assertEqual("98px", $('span5-2').style.left);
      assertEqual("49px", $('span5-2').style.width);
      
      slider.setValue(30, 0);
      slider.setValue(110, 1);
      slider.setValue(90, 2);
  
      assertEqual("29px", $('span5-1').style.left);
      assertEqual("59px", $('span5-1').style.width);
      assertEqual("88px", $('span5-2').style.left);
      assertEqual("20px", $('span5-2').style.width);
      
      slider.dispose();
    }},
    
    testMultipleHandlesSpansStartEnd: function() { with(this) {
      var slider = new Control.Slider(['handle7-1','handle7-2','handle7-3'], 'track7',
        { spans:['span7-1','span7-2'],
          startSpan:'span7-start',
          endSpan:'span7-end',
          range:$R(0,200) });
      assertInstanceOf(Control.Slider, slider);
      
      slider.setValue(20,  0);
      slider.setValue(100, 1);
      slider.setValue(150, 2);
      assertEqual("0px", $('span7-start').style.left);
      assertEqual("19px", $('span7-start').style.width);
      assertEqual("145px", $('span7-end').style.left);
      assertEqual("48px", $('span7-end').style.width);
      
      slider.dispose();
    }},
    
    testSingleHandleSpansStartEnd: function() { with(this) {
      var slider = new Control.Slider('handle7-1', 'track7',
        { spans:['span7-1','span7-2'],
          startSpan:'span7-start',
          endSpan:'span7-end',
          range:$R(0,200) });
      assertInstanceOf(Control.Slider, slider);
      
      slider.setValue(20,  0);
      assertEqual("0px", $('span7-start').style.left);
      assertEqual("19px", $('span7-start').style.width);
      assertEqual("19px", $('span7-end').style.left);
      assertEqual("174px", $('span7-end').style.width);
      
      slider.dispose();
    }},
    
    testMultipleHandlesStyles: function() { with(this) {
      var slider = new Control.Slider(['handle7-1','handle7-2','handle7-3'], 'track7',
        { spans:['span7-1','span7-2'],
          startSpan:'span7-start',
          endSpan:'span7-end',
          range:$R(0,200) });
      assertInstanceOf(Control.Slider, slider);
      assert(Element.hasClassName('handle7-1','selected'));
      assert(!Element.hasClassName('handle7-2','selected'));
      assert(!Element.hasClassName('handle7-3','selected'));
      
      slider.setValue(20,  0);
      assert(Element.hasClassName('handle7-1','selected'));
      assert(!Element.hasClassName('handle7-2','selected'));
      assert(!Element.hasClassName('handle7-3','selected'));
            
      slider.setValue(100, 1);
      assert(!Element.hasClassName('handle7-1','selected'));
      assert(Element.hasClassName('handle7-2','selected'));
      assert(!Element.hasClassName('handle7-3','selected'));
      
      slider.setValue(150, 2);
      assert(!Element.hasClassName('handle7-1','selected'));
      assert(!Element.hasClassName('handle7-2','selected'));
      assert(Element.hasClassName('handle7-3','selected'));
      
      slider.dispose();
    }},
    
    testMultipleHandlesSpansRestricted: function() { with(this) {
      var slider = new Control.Slider(['handle5-1','handle5-2','handle5-3'], 'track5', 
        {restricted:true,spans:['span5-1','span5-2'],range:$R(0,300)});
      assertInstanceOf(Control.Slider, slider);
      
      slider.setValue(20, 0);
      slider.setValue(100, 1);
      slider.setValue(150,  2);      
      assertEqual(0, slider.values[0]);
      assertEqual(0, slider.values[1]);
      assertEqual(150, slider.values[2]);
      
      slider.setValue(150, 2);
      slider.setValue(100, 1);
      slider.setValue(20,  0);
      assertEqual(20, slider.values[0]);
      assertEqual(100, slider.values[1]);
      assertEqual(150, slider.values[2]);
      assertEqual("20px", $('span5-1').style.left);
      assertEqual("78px", $('span5-1').style.width);
      assertEqual("98px", $('span5-2').style.left);
      assertEqual("49px", $('span5-2').style.width);
      
      slider.setValue(30, 0);
      slider.setValue(110, 1);
      slider.setValue(90, 2);
      assertEqual(30, slider.values[0]);
      assertEqual(110, slider.values[1]);
      assertEqual(110, slider.values[2], '???');
  
      assertEqual("29px", $('span5-1').style.left);
      assertEqual("78px", $('span5-1').style.width);
      assertEqual("107px", $('span5-2').style.left);
      assertEqual("0px", $('span5-2').style.width);
      
      slider.dispose();
    }},
    
    testMultipleHandlesSpansVertical: function() { with(this) {
      var slider = new Control.Slider(['handle6-1','handle6-2','handle6-3'], 'track6', {axis:'vertical',spans:['span6-1','span6-2'],range:$R(0,100)});
      assertInstanceOf(Control.Slider, slider);
      
      slider.setValue(20, 0);
      slider.setValue(80, 1);
      slider.setValue(90, 2);
  
      assertEqual("17px", $('span6-1').style.top);
      assertEqual("52px", $('span6-1').style.height);
      assertEqual("70px", $('span6-2').style.top);
      assertEqual("9px", $('span6-2').style.height);
      
      slider.setValue(30, 0);
      slider.setValue(20, 1);
      slider.setValue(95, 2);
  
      assertEqual("17px", $('span6-1').style.top);
      assertEqual("9px", $('span6-1').style.height);
      assertEqual("26px", $('span6-2').style.top);
      assertEqual("57px", $('span6-2').style.height);
    }},
    
    testRange: function() { with(this) {
      var slider = new Control.Slider('handle1','track1');
      assertEqual(0, slider.value);
      slider.setValue(1);
      assertEqual("185px", $('handle1').style.left);
      slider.dispose();
      
      var slider = new Control.Slider('handle1','track1',{range:$R(10,20)});
      assertEqual(10, slider.value);
      assertEqual("0px", $('handle1').style.left);
      slider.setValue(15);
      assertEqual("93px", $('handle1').style.left);
      slider.setValue(20);
      assertEqual("185px", $('handle1').style.left);
      slider.dispose();      
    }},
    
    // test for #3732
    testRangeValues: function() { with(this) {
      // test for non-zero starting range
      var slider = new Control.Slider('handle1','track1',{
        range:$R(1,3), values:[1,2,3]
      });
      assertEqual(1, slider.value);
      assertEqual("0px", $('handle1').style.left);
      slider.setValue(2);
      assertEqual("93px", $('handle1').style.left);
      slider.setValue(3);
      assertEqual("185px", $('handle1').style.left);
      slider.dispose();
      
      // test zero-starting range
      var slider = new Control.Slider('handle1','track1',{
        range:$R(0,2), values:[0,1,2]
      });
      assertEqual(0, slider.value);
      assertEqual("0px", $('handle1').style.left);
      slider.setValue(1);
      assertEqual("93px", $('handle1').style.left);
      slider.setValue(2);
      assertEqual("185px", $('handle1').style.left);
      slider.dispose();
    }}
    
  }, "testlog");
// ]]>
</script>
</body>
</html>