summaryrefslogtreecommitdiff
path: root/framework/Web/UI/WebControls/TWizardNavigationButtonStyle.php
blob: de94fc55fb6b84548d62ac0d33680856a10f8b08 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
<?php
/**
 * TWizardNavigationButtonStyle class file.
 *
 * @author Qiang Xue <qiang.xue@gmail.com>
 * @link https://github.com/pradosoft/prado
 * @copyright Copyright &copy; 2005-2015 The PRADO Group
 * @license https://github.com/pradosoft/prado/blob/master/COPYRIGHT
 * @version $Id $
 * @package System.Web.UI.WebControls
 */

/**
 * Includes TStyle class file
 */
Prado::using('System.Web.UI.WebControls.TStyle');

/**
 * TWizardNavigationButtonStyle class.
 * TWizardNavigationButtonStyle defines the style applied to a wizard navigation button.
 * The button type can be specified via {@link setButtonType ButtonType}, which
 * can be 'Button', 'Image' or 'Link'.
 * If the button is an image button, {@link setImageUrl ImageUrl} will be
 * used to load the image for the button.
 * Otherwise, {@link setButtonText ButtonText} will be displayed as the button caption.
 *
 * @author Qiang Xue <qiang.xue@gmail.com>
 * @package System.Web.UI.WebControls
 * @since 3.0
 */
class TWizardNavigationButtonStyle extends TStyle
{
	private $_imageUrl=null;
	private $_buttonText=null;
	private $_buttonType=null;

	/**
	 * Sets the style attributes to default values.
	 * This method overrides the parent implementation by
	 * resetting additional TWizardNavigationButtonStyle specific attributes.
	 */
	public function reset()
	{
		parent::reset();
		$this->_imageUrl=null;
		$this->_buttonText=null;
		$this->_buttonType=null;
	}

	/**
	 * Copies the fields in a new style to this style.
	 * If a style field is set in the new style, the corresponding field
	 * in this style will be overwritten.
	 * @param TStyle the new style
	 */
	public function copyFrom($style)
	{
		parent::copyFrom($style);
		if($style instanceof TWizardNavigationButtonStyle)
		{
			if($this->_imageUrl===null && $style->_imageUrl!==null)
				$this->_imageUrl=$style->_imageUrl;
			if($this->_buttonText===null && $style->_buttonText!==null)
				$this->_buttonText=$style->_buttonText;
			if($this->_buttonType===null && $style->_buttonType!==null)
				$this->_buttonType=$style->_buttonType;
		}
	}

	/**
	 * Merges the style with a new one.
	 * If a style field is not set in this style, it will be overwritten by
	 * the new one.
	 * @param TStyle the new style
	 */
	public function mergeWith($style)
	{
		parent::mergeWith($style);
		if($style instanceof TWizardNavigationButtonStyle)
		{
			if($style->_imageUrl!==null)
				$this->_imageUrl=$style->_imageUrl;
			if($style->_buttonText!==null)
				$this->_buttonText=$style->_buttonText;
			if($style->_buttonType!==null)
				$this->_buttonType=$style->_buttonType;
		}
	}

	/**
	 * @return string image URL for the image button
	 */
	public function getImageUrl()
	{
		return $this->_imageUrl===null?'':$this->_imageUrl;
	}

	/**
	 * @param string image URL for the image button
	 */
	public function setImageUrl($value)
	{
		$this->_imageUrl=$value;
	}

	/**
	 * @return string button caption
	 */
	public function getButtonText()
	{
		return $this->_buttonText===null?'':$this->_buttonText;
	}

	/**
	 * @param string button caption
	 */
	public function setButtonText($value)
	{
		$this->_buttonText=$value;
	}

	/**
	 * @return TWizardNavigationButtonType button type. Default to TWizardNavigationButtonType::Button.
	 */
	public function getButtonType()
	{
		return $this->_buttonType===null? TWizardNavigationButtonType::Button :$this->_buttonType;
	}

	/**
	 * @param TWizardNavigationButtonType button type.
	 */
	public function setButtonType($value)
	{
		$this->_buttonType=TPropertyValue::ensureEnum($value,'TWizardNavigationButtonType');
	}

	/**
	 * Applies this style to the specified button
	 * @param mixed button to be applied with this style
	 */
	public function apply($button)
	{
		if($button instanceof TImageButton)
		{
			if($button->getImageUrl()==='')
				$button->setImageUrl($this->getImageUrl());
		}
		if($button->getText()==='')
			$button->setText($this->getButtonText());
		$button->getStyle()->mergeWith($this);
	}
}