ImageSpriteCreator (GWT Javadoc)

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GWT 2.7.0

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com.google.gwt.resources.gss
Class ImageSpriteCreator

java.lang.Object
  com.google.gwt.thirdparty.common.css.compiler.ast.DefaultTreeVisitor
      com.google.gwt.resources.gss.ImageSpriteCreator

All Implemented Interfaces:: com.google.gwt.thirdparty.common.css.compiler.ast.AtRuleHandler, com.google.gwt.thirdparty.common.css.compiler.ast.CssCompilerPass, com.google.gwt.thirdparty.common.css.compiler.ast.CssTreeVisitor

public class ImageSpriteCreator
extends com.google.gwt.thirdparty.common.css.compiler.ast.DefaultTreeVisitor
implements com.google.gwt.thirdparty.common.css.compiler.ast.CssCompilerPass
extends com.google.gwt.thirdparty.common.css.compiler.ast.DefaultTreeVisitor
implements com.google.gwt.thirdparty.common.css.compiler.ast.CssCompilerPass

Visitor that detects sprite definitions and replace them by several css rules in order to create the corresponding sprited image.

This visitor will replace the following gss: .foo { padding: 5px; gwt-sprite: imageResource; width: 150px; } to the corresponding gss: .foo { padding: 5px; /* @alternate */ width: eval("imageResource.getWidth", "px"); /* @alternate */ height: eval("imageResource.getHeight", "px"); /* @alternate */ overflow: hidden; /* @alternate */ background: resourceUrl("imageResource") eval("imageResource.getLeft", "px") eval("imageResource.getTop", "px") no-repeat; width: 150px; }

This visitor will also check the presence of the ImageResource.ImageOptions annotation on the image resource in order to support correctly horizontal or vertical repetition.

Nested Class Summary
`(package private) static interface`	`ImageSpriteCreator.MethodByPathHelper`

Constructor Summary
`ImageSpriteCreator(com.google.gwt.thirdparty.common.css.compiler.ast.MutatingVisitController visitController, ResourceContext context, com.google.gwt.thirdparty.common.css.compiler.ast.ErrorManager errorManager)`
`ImageSpriteCreator(com.google.gwt.thirdparty.common.css.compiler.ast.MutatingVisitController visitController, ResourceContext context, com.google.gwt.thirdparty.common.css.compiler.ast.ErrorManager errorManager, ImageSpriteCreator.MethodByPathHelper methodByPathHelper)`

Method Summary
`boolean`	`enterDeclaration(com.google.gwt.thirdparty.common.css.compiler.ast.CssDeclarationNode declaration)`
`void`	`runPass()`

Methods inherited from class com.google.gwt.thirdparty.common.css.compiler.ast.DefaultTreeVisitor
enterArgumentNode, enterAttributeSelector, enterBlock, enterClassSelector, enterCombinator, enterComponent, enterCompositeValueNode, enterCompositeValueNodeOperator, enterConditionalBlock, enterConditionalRule, enterDeclarationBlock, enterDefinition, enterFontFace, enterFunctionNode, enterIdSelector, enterImportBlock, enterImportRule, enterKey, enterKeyBlock, enterKeyframeRuleset, enterKeyframesRule, enterMediaRule, enterMediaTypeListDelimiter, enterMixin, enterMixinDefinition, enterPageRule, enterPageSelector, enterPropertyValue, enterProvideNode, enterPseudoClass, enterPseudoElement, enterRequireNode, enterRuleset, enterSelector, enterSelectorBlock, enterTree, enterUnknownAtRule, enterValueNode, leaveArgumentNode, leaveAttributeSelector, leaveBlock, leaveClassSelector, leaveCombinator, leaveComponent, leaveCompositeValueNode, leaveCompositeValueNodeOperator, leaveConditionalBlock, leaveConditionalRule, leaveDeclaration, leaveDeclarationBlock, leaveDefinition, leaveFontFace, leaveFunctionNode, leaveIdSelector, leaveImportBlock, leaveImportRule, leaveKey, leaveKeyBlock, leaveKeyframeRuleset, leaveKeyframesRule, leaveMediaRule, leaveMediaTypeListDelimiter, leaveMixin, leaveMixinDefinition, leavePageRule, leavePageSelector, leavePropertyValue, leaveProvideNode, leavePseudoClass, leavePseudoElement, leaveRequireNode, leaveRuleset, leaveSelector, leaveSelectorBlock, leaveTree, leaveUnknownAtRule, leaveValueNode, visit

Methods inherited from class com.google.gwt.thirdparty.common.css.compiler.ast.DefaultTreeVisitor

enterArgumentNode, enterAttributeSelector, enterBlock, enterClassSelector, enterCombinator, enterComponent, enterCompositeValueNode, enterCompositeValueNodeOperator, enterConditionalBlock, enterConditionalRule, enterDeclarationBlock, enterDefinition, enterFontFace, enterFunctionNode, enterIdSelector, enterImportBlock, enterImportRule, enterKey, enterKeyBlock, enterKeyframeRuleset, enterKeyframesRule, enterMediaRule, enterMediaTypeListDelimiter, enterMixin, enterMixinDefinition, enterPageRule, enterPageSelector, enterPropertyValue, enterProvideNode, enterPseudoClass, enterPseudoElement, enterRequireNode, enterRuleset, enterSelector, enterSelectorBlock, enterTree, enterUnknownAtRule, enterValueNode, leaveArgumentNode, leaveAttributeSelector, leaveBlock, leaveClassSelector, leaveCombinator, leaveComponent, leaveCompositeValueNode, leaveCompositeValueNodeOperator, leaveConditionalBlock, leaveConditionalRule, leaveDeclaration, leaveDeclarationBlock, leaveDefinition, leaveFontFace, leaveFunctionNode, leaveIdSelector, leaveImportBlock, leaveImportRule, leaveKey, leaveKeyBlock, leaveKeyframeRuleset, leaveKeyframesRule, leaveMediaRule, leaveMediaTypeListDelimiter, leaveMixin, leaveMixinDefinition, leavePageRule, leavePageSelector, leavePropertyValue, leaveProvideNode, leavePseudoClass, leavePseudoElement, leaveRequireNode, leaveRuleset, leaveSelector, leaveSelectorBlock, leaveTree, leaveUnknownAtRule, leaveValueNode, visit

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

Constructor Detail