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require 'java'
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import "eu.webtoolkit.jwt.WContainerWidget"
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import "eu.webtoolkit.jwt.WApplication"
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import "eu.webtoolkit.jwt.WText"
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import "eu.webtoolkit.jwt.WLength"
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import "eu.webtoolkit.jwt.WImage"
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import "eu.webtoolkit.jwt.WLink"
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import "eu.webtoolkit.jwt.WFileResource"
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import "eu.webtoolkit.jwt.WColor"
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import "eu.webtoolkit.jwt.Orientation"
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class Character < WContainerWidget
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def initialize(parent, color, name)
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super parent
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setMinimumSize WLength.new("120px"),WLength.new("120px")
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getDecorationStyle.setBackgroundColor(WColor.new color)
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n = WText.new name, self
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n.setInline false
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@name = name
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@message = WText.new self
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@message.setInline false
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end
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def dropEvent(e)
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#super without () or arguments simply forwards the
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#arguments
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super
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w = e.getSource
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#move the food from the plate
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#to the character
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w.getParent.removeWidget w
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addWidget w
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@message.setText "Thanks for the " + e.getMimeType
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end
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end
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class DragandDrop < WApplication
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def initialize(env)
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super
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setTitle("Drag And Drop")
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@plate = WContainerWidget.new getRoot
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t = WText.new "Plate", @plate
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t.setInline false
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@pizza = WImage.new WLink.new(WFileResource.new("image/png","pizza.png")),"Pizza", @plate
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@chocolate = WImage.new WLink.new(WFileResource.new("image/png","chocolate.png")),"Chocolate", @plate
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@fc = WImage.new WLink.new(WFileResource.new("image/png","fishandchips.png")),"Fish and Chips", @plate
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#the duplicated images, later will be used as dragonly resources
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#these lines are commented out for the setDraggable(java.lang.String mimeType) version
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dpizza = WImage.new WLink.new(WFileResource.new("image/png","pizza.png")),"Pizza", @plate
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dchocolate = WImage.new WLink.new(WFileResource.new("image/png","chocolate.png")),"Chocolate", @plate
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dfc = WImage.new WLink.new(WFileResource.new("image/png","fishandchips.png")),"Fish and Chips", @plate
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#this version works well:
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@pizza.setDraggable "pizza", dpizza, true
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@chocolate.setDraggable "chocolate", dchocolate, true
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@fc.setDraggable "fish and chips", dfc, true
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#this does not work well:
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#@pizza.setDraggable "pizza"
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#@chocolate.setDraggable "chocolate"
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#@fc.setDraggable "fish and chips"
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@joe = Character.new(getRoot, "lightblue","Joe")
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@joe.acceptDrops "pizza"
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@joe.acceptDrops "chocolate"
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@jane = Character.new(getRoot, "pink","Jane")
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@jane.acceptDrops "fish and chips"
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@jane.acceptDrops "chocolate"
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end
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end
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