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package org.apache.tapestry.form; |
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import java.awt.Point; |
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import org.apache.tapestry.IAsset; |
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import org.apache.tapestry.IForm; |
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import org.apache.tapestry.IMarkupWriter; |
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import org.apache.tapestry.IRequestCycle; |
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import org.apache.tapestry.Tapestry; |
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35 | 0 | public abstract class ImageSubmit extends Submit |
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{ |
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protected void setName(IForm form) |
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{ |
42 | 0 | String nameOverride = getNameOverride(); |
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44 | 0 | setName((nameOverride == null) ? form.getElementId(this) : form.getElementId(this, nameOverride)); |
45 | 0 | } |
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protected boolean isClicked(IRequestCycle cycle, String name) |
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{ |
49 | 0 | String parameterName = name + ".x"; |
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52 | 0 | String value = cycle.getParameter(FormConstants.SUBMIT_NAME_PARAMETER); |
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54 | 0 | return (cycle.getParameter(parameterName) != null) || name.equals(value); |
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} |
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protected void renderFormComponent(IMarkupWriter writer, IRequestCycle cycle) |
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{ |
59 | 0 | boolean disabled = isDisabled(); |
60 | 0 | IAsset disabledImage = getDisabledImage(); |
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62 | 0 | IAsset finalImage = (disabled && disabledImage != null) ? disabledImage : getImage(); |
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64 | 0 | String imageURL = finalImage.buildURL(); |
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66 | 0 | writer.beginEmpty("input"); |
67 | 0 | writer.attribute("type", "image"); |
68 | 0 | writer.attribute("name", getName()); |
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70 | 0 | if (disabled) |
71 | 0 | writer.attribute("disabled", "disabled"); |
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73 | 0 | writer.attribute("src", imageURL); |
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75 | 0 | renderIdAttribute(writer, cycle); |
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77 | 0 | renderInformalParameters(writer, cycle); |
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79 | 0 | renderSubmitBindings(writer, cycle); |
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81 | 0 | writer.closeTag(); |
82 | 0 | } |
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void handleClick(IRequestCycle cycle, IForm form) |
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{ |
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92 | 0 | if (isParameterBound("point")) |
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{ |
94 | 0 | int x = Integer.parseInt(cycle.getParameter(getName() + ".x")); |
95 | 0 | int y = Integer.parseInt(cycle.getParameter(getName() + ".y")); |
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97 | 0 | setPoint(new Point(x, y)); |
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} |
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100 | 0 | super.handleClick(cycle, form); |
101 | 0 | } |
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public abstract IAsset getDisabledImage(); |
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public abstract IAsset getImage(); |
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public abstract String getNameOverride(); |
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public abstract void setPoint(Point point); |
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protected void prepareForRender(IRequestCycle cycle) |
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{ |
117 | 0 | super.prepareForRender(cycle); |
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119 | 0 | if (getImage() == null) |
120 | 0 | throw Tapestry.createRequiredParameterException(this, "image"); |
121 | 0 | } |
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} |