Code Coverage for tapestry release 4.0.3

Clover coverage report - Code Coverage for tapestry release 4.0.3

Coverage timestamp: Fri May 5 2006 21:17:42 CDT

FRAMES NO FRAMES

file stats:	LOC:	122		Methods:	5
	NCLOC:	56		Classes:	1

Source file

Conditionals

Statements

Methods

TOTAL

ImageSubmit.java

80%

88.5%

80%

85.4%

1		// Copyright 2004, 2005 The Apache Software Foundation
2		//
3		// Licensed under the Apache License, Version 2.0 (the "License");
4		// you may not use this file except in compliance with the License.
5		// You may obtain a copy of the License at
6		//
7		// http://www.apache.org/licenses/LICENSE-2.0
8		//
9		// Unless required by applicable law or agreed to in writing, software
10		// distributed under the License is distributed on an "AS IS" BASIS,
11		// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12		// See the License for the specific language governing permissions and
13		// limitations under the License.
14
15		package org.apache.tapestry.form;
16
17		import java.awt.Point;
18
19		import org.apache.tapestry.IAsset;
20		import org.apache.tapestry.IForm;
21		import org.apache.tapestry.IMarkupWriter;
22		import org.apache.tapestry.IRequestCycle;
23		import org.apache.tapestry.Tapestry;
24
25		/**
26		* Used to create an image button inside a {@link Form}. Although it is occasionally useful to know
27		* the {@link Point}on the image that was clicked (i.e., use the image as a kind of image map,
28		* which was the original intent of the HTML element), it is more commonly used to provide a graphic
29		* image for the user to click, rather than the rather plain <input type=submit>. [ <a
30		* href="../../../../../ComponentReference/ImageSubmit.html">Component Reference </a>]
31		*
32		* @author Howard Lewis Ship
33		*/
34
35		public abstract class ImageSubmit extends Submit
36		{
37		/**
38		* @see org.apache.tapestry.form.AbstractFormComponent#setName(org.apache.tapestry.IForm)
39		*/
40	24	protected void setName(IForm form)
41		{
42	24	String nameOverride = getNameOverride();
43
44	24	setName((nameOverride == null) ? form.getElementId(this) : form.getElementId(this, nameOverride));
45		}
46
47	9	protected boolean isClicked(IRequestCycle cycle, String name)
48		{
49	9	String parameterName = name + ".x";
50
51	9	return (cycle.getParameter(parameterName) != null);
52		}
53
54	12	protected void renderFormComponent(IMarkupWriter writer, IRequestCycle cycle)
55		{
56	12	boolean disabled = isDisabled();
57	12	IAsset disabledImage = getDisabledImage();
58
59	12	IAsset finalImage = (disabled && disabledImage != null) ? disabledImage : getImage();
60
61	12	String imageURL = finalImage.buildURL();
62
63	12	writer.beginEmpty("input");
64	12	writer.attribute("type", "image");
65	12	writer.attribute("name", getName());
66
67	12	if (disabled)
68	6	writer.attribute("disabled", "disabled");
69
70		// NN4 places a border unless you tell it otherwise.
71		// IE ignores the border attribute and never shows a border.
72
73	12	writer.attribute("border", 0);
74
75	12	writer.attribute("src", imageURL);
76
77	12	renderIdAttribute(writer, cycle);
78
79	12	renderInformalParameters(writer, cycle);
80
81	12	writer.closeTag();
82		}
83
84	6	void handleClick(IRequestCycle cycle, IForm form)
85		{
86		// The point parameter is not really used, unless the
87		// ImageButton is used for its original purpose (as a kind
88		// of image map). In modern usage, we only care about
89		// whether the user clicked on the image (and thus submitted
90		// the form), not where in the image the user actually clicked.
91
92	6	if (isParameterBound("point"))
93		{
94	3	int x = Integer.parseInt(cycle.getParameter(getName() + ".x"));
95	3	int y = Integer.parseInt(cycle.getParameter(getName() + ".y"));
96
97	3	setPoint(new Point(x, y));
98		}
99
100	6	super.handleClick(cycle, form);
101		}
102
103		/** parameter */
104		public abstract IAsset getDisabledImage();
105
106		/** parameter */
107		public abstract IAsset getImage();
108
109		/** parameter */
110		public abstract String getNameOverride();
111
112		/** parameter */
113		public abstract void setPoint(Point point);
114
115	0	protected void prepareForRender(IRequestCycle cycle)
116		{
117	0	super.prepareForRender(cycle);
118
119	0	if (getImage() == null)
120	0	throw Tapestry.createRequiredParameterException(this, "image");
121		}
122		}