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-rw-r--r--framework/Web/UI/WebControls/TImageMap.php1672
1 files changed, 836 insertions, 836 deletions
diff --git a/framework/Web/UI/WebControls/TImageMap.php b/framework/Web/UI/WebControls/TImageMap.php
index 5907d03d..718a3414 100644
--- a/framework/Web/UI/WebControls/TImageMap.php
+++ b/framework/Web/UI/WebControls/TImageMap.php
@@ -1,837 +1,837 @@
-<?php
-/**
- * TImageMap and related class file.
- *
- * @author Qiang Xue <qiang.xue@gmail.com>
- * @link http://www.pradosoft.com/
+<?php
+/**
+ * TImageMap and related class file.
+ *
+ * @author Qiang Xue <qiang.xue@gmail.com>
+ * @link http://www.pradosoft.com/
* @copyright Copyright &copy; 2005-2012 PradoSoft
- * @license http://www.pradosoft.com/license/
- * @version $Id$
- * @package System.Web.UI.WebControls
- */
-
-/**
- * Includes TImage class file
- */
-Prado::using('System.Web.UI.WebControls.TImage');
-
-/**
- * TImageMap class
- *
- * TImageMap represents an image on a page. Hotspot regions can be defined
- * within the image. Depending on the {@link setHotSpotMode HotSpotMode},
- * clicking on the hotspots may trigger a postback or navigate to a specified
- * URL. The hotspots defined may be accessed via {@link getHotSpots HotSpots}.
- * Each hotspot is described as a {@link THotSpot}, which can be a circle,
- * rectangle, polygon, etc. To add hotspot in a template, use the following,
- * <code>
- * <com:TImageMap>
- * <com:TCircleHotSpot ... />
- * <com:TRectangleHotSpot ... />
- * <com:TPolygonHotSpot ... />
- * </com:TImageMap>
- * </code>
- *
- * @author Qiang Xue <qiang.xue@gmail.com>
- * @version $Id$
- * @package System.Web.UI.WebControls
- * @since 3.0
- */
-class TImageMap extends TImage implements IPostBackEventHandler
-{
- const MAP_NAME_PREFIX='ImageMap';
-
- /**
- * Processes an object that is created during parsing template.
- * This method adds {@link THotSpot} objects into the hotspot collection
- * of the imagemap.
- * @param string|TComponent text string or component parsed and instantiated in template
- */
- public function addParsedObject($object)
- {
- if($object instanceof THotSpot)
- $this->getHotSpots()->add($object);
- }
-
- /**
- * Adds attribute name-value pairs to renderer.
- * This overrides the parent implementation with additional imagemap specific attributes.
- * @param THtmlWriter the writer used for the rendering purpose
- */
- protected function addAttributesToRender($writer)
- {
- parent::addAttributesToRender($writer);
- if($this->getHotSpots()->getCount()>0)
- {
- $writer->addAttribute('usemap','#'.self::MAP_NAME_PREFIX.$this->getClientID());
- $writer->addAttribute('id',$this->getUniqueID());
- }
- if($this->getEnabled() && !$this->getEnabled(true))
- $writer->addAttribute('disabled','disabled');
- }
-
- /**
- * Renders this imagemap.
- * @param THtmlWriter
- */
- public function render($writer)
- {
- parent::render($writer);
-
- $hotspots=$this->getHotSpots();
-
- if($hotspots->getCount()>0)
- {
- $clientID=$this->getClientID();
- $cs=$this->getPage()->getClientScript();
- $writer->writeLine();
- $writer->addAttribute('name',self::MAP_NAME_PREFIX.$clientID);
- $writer->renderBeginTag('map');
- $writer->writeLine();
- if(($mode=$this->getHotSpotMode())===THotSpotMode::NotSet)
- $mode=THotSpotMode::Navigate;
- $target=$this->getTarget();
- $i=0;
- $options['EventTarget'] = $this->getUniqueID();
- $options['StopEvent'] = true;
- $cs=$this->getPage()->getClientScript();
- foreach($hotspots as $hotspot)
- {
- if($hotspot->getHotSpotMode()===THotSpotMode::NotSet)
- $hotspot->setHotSpotMode($mode);
- if($target!=='' && $hotspot->getTarget()==='')
- $hotspot->setTarget($target);
- if($hotspot->getHotSpotMode()===THotSpotMode::PostBack)
- {
- $id=$clientID.'_'.$i;
- $writer->addAttribute('id',$id);
- $writer->addAttribute('href','#'.$id); //create unique no-op url references
- $options['ID']=$id;
- $options['EventParameter']="$i";
- $options['CausesValidation']=$hotspot->getCausesValidation();
- $options['ValidationGroup']=$hotspot->getValidationGroup();
- $cs->registerPostBackControl($this->getClientClassName(),$options);
- }
- $hotspot->render($writer);
- $writer->writeLine();
- $i++;
- }
- $writer->renderEndTag();
- }
- }
-
- /**
- * Gets the name of the javascript class responsible for performing postback for this control.
- * This method overrides the parent implementation.
- * @return string the javascript class name
- */
- protected function getClientClassName()
- {
- return 'Prado.WebUI.TImageMap';
- }
-
- /**
- * Raises the postback event.
- * This method is required by {@link IPostBackEventHandler} interface.
- * This method is mainly used by framework and control developers.
- * @param TEventParameter the event parameter
- */
- public function raisePostBackEvent($param)
- {
- $postBackValue=null;
- if($param!=='')
- {
- $index=TPropertyValue::ensureInteger($param);
- $hotspots=$this->getHotSpots();
- if($index>=0 && $index<$hotspots->getCount())
- {
- $hotspot=$hotspots->itemAt($index);
- if(($mode=$hotspot->getHotSpotMode())===THotSpotMode::NotSet)
- $mode=$this->getHotSpotMode();
- if($mode===THotSpotMode::PostBack)
- {
- $postBackValue=$hotspot->getPostBackValue();
- if($hotspot->getCausesValidation())
- $this->getPage()->validate($hotspot->getValidationGroup());
- }
- }
- }
- if($postBackValue!==null)
- $this->onClick(new TImageMapEventParameter($postBackValue));
- }
-
- /**
- * @return THotSpotMode the behavior of hotspot regions in this imagemap when they are clicked. Defaults to THotSpotMode::NotSet.
- */
- public function getHotSpotMode()
- {
- return $this->getViewState('HotSpotMode',THotSpotMode::NotSet);
- }
-
- /**
- * Sets the behavior of hotspot regions in this imagemap when they are clicked.
- * If an individual hotspot has a mode other than 'NotSet', the mode set in this
- * imagemap will be ignored. By default, 'NotSet' is equivalent to 'Navigate'.
- * @param THotSpotMode the behavior of hotspot regions in this imagemap when they are clicked.
- */
- public function setHotSpotMode($value)
- {
- $this->setViewState('HotSpotMode',TPropertyValue::ensureEnum($value,'THotSpotMode'),THotSpotMode::NotSet);
- }
-
- /**
- * @return THotSpotCollection collection of hotspots defined in this imagemap.
- */
- public function getHotSpots()
- {
- if(($hotspots=$this->getViewState('HotSpots',null))===null)
- {
- $hotspots=new THotSpotCollection;
- $this->setViewState('HotSpots',$hotspots);
- }
- return $hotspots;
- }
-
- /**
- * @return string the target window or frame to display the new page when a hotspot region is clicked within the imagemap. Defaults to ''.
- */
- public function getTarget()
- {
- return $this->getViewState('Target','');
- }
-
- /**
- * @param string the target window or frame to display the new page when a hotspot region is clicked within the imagemap.
- */
- public function setTarget($value)
- {
- $this->setViewState('Target',TPropertyValue::ensureString($value),'');
- }
-
- /**
- * Raises <b>OnClick</b> event.
- * This method is invoked when a hotspot region is clicked within the imagemap.
- * If you override this method, be sure to call the parent implementation
- * so that the event handler can be invoked.
- * @param TImageMapEventParameter event parameter to be passed to the event handlers
- */
- public function onClick($param)
- {
- $this->raiseEvent('OnClick',$this,$param);
- }
-}
-
-/**
- * TImageMapEventParameter class.
- *
- * TImageMapEventParameter represents a postback event parameter
- * when a hotspot is clicked and posts back in a {@link TImageMap}.
- * To retrieve the post back value associated with the hotspot being clicked,
- * access {@link getPostBackValue PostBackValue}.
- *
- * @author Qiang Xue <qiang.xue@gmail.com>
- * @version $Id$
- * @package System.Web.UI.WebControls
- * @since 3.0
- */
-class TImageMapEventParameter extends TEventParameter
-{
- private $_postBackValue;
-
- /**
- * Constructor.
- * @param string post back value associated with the hotspot clicked
- */
- public function __construct($postBackValue)
- {
- $this->_postBackValue=$postBackValue;
- }
-
- /**
- * @return string post back value associated with the hotspot clicked
- */
- public function getPostBackValue()
- {
- return $this->_postBackValue;
- }
-}
-
-/**
- * THotSpotCollection class.
- *
- * THotSpotCollection represents a collection of hotspots in an imagemap.
- *
- * @author Qiang Xue <qiang.xue@gmail.com>
- * @version $Id$
- * @package System.Web.UI.WebControls
- * @since 3.0
- */
-class THotSpotCollection extends TList
-{
- /**
- * Inserts an item at the specified position.
- * This overrides the parent implementation by inserting only {@link THotSpot}.
- * @param integer the speicified position.
- * @param mixed new item
- * @throws TInvalidDataTypeException if the item to be inserted is not a THotSpot.
- */
- public function insertAt($index,$item)
- {
- if($item instanceof THotSpot)
- parent::insertAt($index,$item);
- else
- throw new TInvalidDataTypeException('hotspotcollection_hotspot_required');
- }
-}
-
-
-/**
- * THotSpot class.
- *
- * THotSpot implements the basic functionality common to all hot spot shapes.
- * Derived classes include {@link TCircleHotSpot}, {@link TPolygonHotSpot}
- * and {@link TRectangleHotSpot}.
- *
- * @author Qiang Xue <qiang.xue@gmail.com>
- * @version $Id$
- * @package System.Web.UI.WebControls
- * @since 3.0
- */
-abstract class THotSpot extends TComponent
-{
- private $_viewState=array();
-
- /**
- * Returns a viewstate value.
- *
- * This function is very useful in defining getter functions for component properties
- * that must be kept in viewstate.
- * @param string the name of the viewstate value to be returned
- * @param mixed the default value. If $key is not found in viewstate, $defaultValue will be returned
- * @return mixed the viewstate value corresponding to $key
- */
- protected function getViewState($key,$defaultValue=null)
- {
- return isset($this->_viewState[$key])?$this->_viewState[$key]:$defaultValue;
- }
-
- /**
- * Sets a viewstate value.
- *
- * This function is very useful in defining setter functions for control properties
- * that must be kept in viewstate.
- * Make sure that the viewstate value must be serializable and unserializable.
- * @param string the name of the viewstate value
- * @param mixed the viewstate value to be set
- * @param mixed default value. If $value===$defaultValue, the item will be cleared from the viewstate.
- */
- protected function setViewState($key,$value,$defaultValue=null)
- {
- if($value===$defaultValue)
- unset($this->_viewState[$key]);
- else
- $this->_viewState[$key]=$value;
- }
-
- /**
- * @return string shape of the hotspot, can be 'circle', 'rect', 'poly', etc.
- */
- abstract public function getShape();
- /**
- * @return string coordinates defining the hotspot shape.
- */
- abstract public function getCoordinates();
-
- /**
- * @return string the access key that allows you to quickly navigate to the HotSpot region. Defaults to ''.
- */
- public function getAccessKey()
- {
- return $this->getViewState('AccessKey','');
- }
-
- /**
- * @param string the access key that allows you to quickly navigate to the HotSpot region.
- */
- public function setAccessKey($value)
- {
- $this->setViewState('AccessKey',TPropertyValue::ensureString($value),'');
- }
-
- /**
- * @return string the alternate text to display for a HotSpot object. Defaults to ''.
- */
- public function getAlternateText()
- {
- return $this->getViewState('AlternateText','');
- }
-
- /**
- * @param string the alternate text to display for a HotSpot object.
- */
- public function setAlternateText($value)
- {
- $this->setViewState('AlternateText',TPropertyValue::ensureString($value),'');
- }
-
- /**
- * @return THotSpotMode the behavior of a HotSpot object when it is clicked. Defaults to THotSpotMode::NotSet.
- */
- public function getHotSpotMode()
- {
- return $this->getViewState('HotSpotMode',THotSpotMode::NotSet);
- }
-
- /**
- * @param THotSpotMode the behavior of a HotSpot object when it is clicked.
- */
- public function setHotSpotMode($value)
- {
- $this->setViewState('HotSpotMode',TPropertyValue::ensureEnum($value,'THotSpotMode'),THotSpotMode::NotSet);
- }
-
- /**
- * @return string the URL to navigate to when a HotSpot object is clicked. Defaults to ''.
- */
- public function getNavigateUrl()
- {
- return $this->getViewState('NavigateUrl','');
- }
-
- /**
- * @param string the URL to navigate to when a HotSpot object is clicked.
- */
- public function setNavigateUrl($value)
- {
- $this->setViewState('NavigateUrl',TPropertyValue::ensureString($value),'');
- }
-
- /**
- * @return string a value that is post back when the HotSpot is clicked. Defaults to ''.
- */
- public function getPostBackValue()
- {
- return $this->getViewState('PostBackValue','');
- }
-
- /**
- * @param string a value that is post back when the HotSpot is clicked.
- */
- public function setPostBackValue($value)
- {
- $this->setViewState('PostBackValue',TPropertyValue::ensureString($value),'');
- }
-
- /**
- * @return integer the tab index of the HotSpot region. Defaults to 0.
- */
- public function getTabIndex()
- {
- return $this->getViewState('TabIndex',0);
- }
-
- /**
- * @param integer the tab index of the HotSpot region.
- */
- public function setTabIndex($value)
- {
- $this->setViewState('TabIndex',TPropertyValue::ensureInteger($value),0);
- }
-
- /**
- * @return boolean whether postback event trigger by this hotspot will cause input validation, default is true
- */
- public function getCausesValidation()
- {
- return $this->getViewState('CausesValidation',true);
- }
-
- /**
- * @param boolean whether postback event trigger by this hotspot will cause input validation
- */
- public function setCausesValidation($value)
- {
- $this->setViewState('CausesValidation',TPropertyValue::ensureBoolean($value),true);
- }
-
- /**
- * @return string the group of validators which the hotspot causes validation upon postback
- */
- public function getValidationGroup()
- {
- return $this->getViewState('ValidationGroup','');
- }
-
- /**
- * @param string the group of validators which the hotspot causes validation upon postback
- */
- public function setValidationGroup($value)
- {
- $this->setViewState('ValidationGroup',$value,'');
- }
-
- /**
- * @return string the target window or frame to display the new page when the HotSpot region
- * is clicked. Defaults to ''.
- */
- public function getTarget()
- {
- return $this->getViewState('Target','');
- }
-
- /**
- * @param string the target window or frame to display the new page when the HotSpot region
- * is clicked.
- */
- public function setTarget($value)
- {
- $this->setViewState('Target',TPropertyValue::ensureString($value),'');
- }
-
- /**
- * @return boolean whether the hotspot has custom attributes
- */
- public function getHasAttributes()
- {
- if($attributes=$this->getViewState('Attributes',null))
- return $attributes->getCount()>0;
- else
- return false;
- }
-
- /**
- * Returns the list of custom attributes.
- * Custom attributes are name-value pairs that may be rendered
- * as HTML tags' attributes.
- * @return TAttributeCollection the list of custom attributes
- */
- public function getAttributes()
- {
- if($attributes=$this->getViewState('Attributes',null))
- return $attributes;
- else
- {
- $attributes=new TAttributeCollection;
- $this->setViewState('Attributes',$attributes,null);
- return $attributes;
- }
- }
-
- /**
- * @return boolean whether the named attribute exists
- */
- public function hasAttribute($name)
- {
- if($attributes=$this->getViewState('Attributes',null))
- return $attributes->contains($name);
- else
- return false;
- }
-
- /**
- * @return string attribute value, null if attribute does not exist
- */
- public function getAttribute($name)
- {
- if($attributes=$this->getViewState('Attributes',null))
- return $attributes->itemAt($name);
- else
- return null;
- }
-
- /**
- * Sets a custom hotspot attribute.
- * @param string attribute name
- * @param string value of the attribute
- */
- public function setAttribute($name,$value)
- {
- $this->getAttributes()->add($name,$value);
- }
-
- /**
- * Removes the named attribute.
- * @param string the name of the attribute to be removed.
- * @return string attribute value removed, null if attribute does not exist.
- */
- public function removeAttribute($name)
- {
- if($attributes=$this->getViewState('Attributes',null))
- return $attributes->remove($name);
- else
- return null;
- }
-
- /**
- * Renders this hotspot.
- * @param THtmlWriter
- */
- public function render($writer)
- {
- $writer->addAttribute('shape',$this->getShape());
- $writer->addAttribute('coords',$this->getCoordinates());
- if(($mode=$this->getHotSpotMode())===THotSpotMode::NotSet)
- $mode=THotSpotMode::Navigate;
- if($mode===THotSpotMode::Navigate)
- {
- $writer->addAttribute('href',$this->getNavigateUrl());
- if(($target=$this->getTarget())!=='')
- $writer->addAttribute('target',$target);
- }
- else if($mode===THotSpotMode::Inactive)
- $writer->addAttribute('nohref','true');
- $text=$this->getAlternateText();
- $writer->addAttribute('title',$text);
- $writer->addAttribute('alt',$text);
- if(($accessKey=$this->getAccessKey())!=='')
- $writer->addAttribute('accesskey',$accessKey);
- if(($tabIndex=$this->getTabIndex())!==0)
- $writer->addAttribute('tabindex',"$tabIndex");
- if($this->getHasAttributes())
- {
- foreach($this->getAttributes() as $name=>$value)
- $writer->addAttribute($name,$value);
- }
- $writer->renderBeginTag('area');
- $writer->renderEndTag();
- }
-}
-
-/**
- * Class TCircleHotSpot.
- *
- * TCircleHotSpot defines a circular hot spot region in a {@link TImageMap}
- * control.
- *
- * @author Qiang Xue <qiang.xue@gmail.com>
- * @version $Id$
- * @package System.Web.UI.WebControls
- * @since 3.0
- */
-class TCircleHotSpot extends THotSpot
-{
- /**
- * @return string shape of this hotspot.
- */
- public function getShape()
- {
- return 'circle';
- }
-
- /**
- * @return string coordinates defining this hotspot shape
- */
- public function getCoordinates()
- {
- return $this->getX().','.$this->getY().','.$this->getRadius();
- }
-
- /**
- * @return integer radius of the circular HotSpot region. Defaults to 0.
- */
- public function getRadius()
- {
- return $this->getViewState('Radius',0);
- }
-
- /**
- * @param integer radius of the circular HotSpot region.
- */
- public function setRadius($value)
- {
- $this->setViewState('Radius',TPropertyValue::ensureInteger($value),0);
- }
-
- /**
- * @return integer the X coordinate of the center of the circular HotSpot region. Defaults to 0.
- */
- public function getX()
- {
- return $this->getViewState('X',0);
- }
-
- /**
- * @param integer the X coordinate of the center of the circular HotSpot region.
- */
- public function setX($value)
- {
- $this->setViewState('X',TPropertyValue::ensureInteger($value),0);
- }
-
- /**
- * @return integer the Y coordinate of the center of the circular HotSpot region. Defaults to 0.
- */
- public function getY()
- {
- return $this->getViewState('Y',0);
- }
-
- /**
- * @param integer the Y coordinate of the center of the circular HotSpot region.
- */
- public function setY($value)
- {
- $this->setViewState('Y',TPropertyValue::ensureInteger($value),0);
- }
-}
-
-/**
- * Class TRectangleHotSpot.
- *
- * TRectangleHotSpot defines a rectangle hot spot region in a {@link
- * TImageMap} control.
- *
- * @author Qiang Xue <qiang.xue@gmail.com>
- * @version $Id$
- * @package System.Web.UI.WebControls
- * @since 3.0
- */
-class TRectangleHotSpot extends THotSpot
-{
- /**
- * @return string shape of this hotspot.
- */
- public function getShape()
- {
- return 'rect';
- }
-
- /**
- * @return string coordinates defining this hotspot shape
- */
- public function getCoordinates()
- {
- return $this->getLeft().','.$this->getTop().','.$this->getRight().','.$this->getBottom();
- }
-
- /**
- * @return integer the Y coordinate of the bottom side of the rectangle HotSpot region. Defaults to 0.
- */
- public function getBottom()
- {
- return $this->getViewState('Bottom',0);
- }
-
- /**
- * @param integer the Y coordinate of the bottom side of the rectangle HotSpot region.
- */
- public function setBottom($value)
- {
- $this->setViewState('Bottom',TPropertyValue::ensureInteger($value),0);
- }
-
- /**
- * @return integer the X coordinate of the right side of the rectangle HotSpot region. Defaults to 0.
- */
- public function getLeft()
- {
- return $this->getViewState('Left',0);
- }
-
- /**
- * @param integer the X coordinate of the right side of the rectangle HotSpot region.
- */
- public function setLeft($value)
- {
- $this->setViewState('Left',TPropertyValue::ensureInteger($value),0);
- }
-
- /**
- * @return integer the X coordinate of the right side of the rectangle HotSpot region. Defaults to 0.
- */
- public function getRight()
- {
- return $this->getViewState('Right',0);
- }
-
- /**
- * @param integer the X coordinate of the right side of the rectangle HotSpot region.
- */
- public function setRight($value)
- {
- $this->setViewState('Right',TPropertyValue::ensureInteger($value),0);
- }
-
- /**
- * @return integer the Y coordinate of the top side of the rectangle HotSpot region. Defaults to 0.
- */
- public function getTop()
- {
- return $this->getViewState('Top',0);
- }
-
- /**
- * @param integer the Y coordinate of the top side of the rectangle HotSpot region.
- */
- public function setTop($value)
- {
- $this->setViewState('Top',TPropertyValue::ensureInteger($value),0);
- }
-}
-
-/**
- * Class TPolygonHotSpot.
- *
- * TPolygonHotSpot defines a polygon hot spot region in a {@link
- * TImageMap} control.
- *
- * @author Qiang Xue <qiang.xue@gmail.com>
- * @version $Id$
- * @package System.Web.UI.WebControls
- * @since 3.0
- */
-class TPolygonHotSpot extends THotSpot
-{
- /**
- * @return string shape of this hotspot.
- */
- public function getShape()
- {
- return 'poly';
- }
-
- /**
- * @return string coordinates of the vertices defining the polygon.
- * Coordinates are concatenated together with comma ','. Each pair
- * represents (x,y) of a vertex.
- */
- public function getCoordinates()
- {
- return $this->getViewState('Coordinates','');
- }
-
- /**
- * @param string coordinates of the vertices defining the polygon.
- * Coordinates are concatenated together with comma ','. Each pair
- * represents (x,y) of a vertex.
- */
- public function setCoordinates($value)
- {
- $this->setViewState('Coordinates',$value,'');
- }
-}
-
-
-/**
- * THotSpotMode class.
- * THotSpotMode defines the enumerable type for the possible hot spot modes.
- *
- * The following enumerable values are defined:
- * - NotSet: the mode is not specified
- * - Navigate: clicking on the hotspot will redirect the browser to a different page
- * - PostBack: clicking on the hotspot will cause a postback
- * - Inactive: the hotspot is inactive (not clickable)
- *
- * @author Qiang Xue <qiang.xue@gmail.com>
- * @version $Id$
- * @package System.Web.UI.WebControls
- * @since 3.0.4
- */
-class THotSpotMode extends TEnumerable
-{
- const NotSet='NotSet';
- const Navigate='Navigate';
- const PostBack='PostBack';
- const Inactive='Inactive';
-}
-
+ * @license http://www.pradosoft.com/license/
+ * @version $Id$
+ * @package System.Web.UI.WebControls
+ */
+
+/**
+ * Includes TImage class file
+ */
+Prado::using('System.Web.UI.WebControls.TImage');
+
+/**
+ * TImageMap class
+ *
+ * TImageMap represents an image on a page. Hotspot regions can be defined
+ * within the image. Depending on the {@link setHotSpotMode HotSpotMode},
+ * clicking on the hotspots may trigger a postback or navigate to a specified
+ * URL. The hotspots defined may be accessed via {@link getHotSpots HotSpots}.
+ * Each hotspot is described as a {@link THotSpot}, which can be a circle,
+ * rectangle, polygon, etc. To add hotspot in a template, use the following,
+ * <code>
+ * <com:TImageMap>
+ * <com:TCircleHotSpot ... />
+ * <com:TRectangleHotSpot ... />
+ * <com:TPolygonHotSpot ... />
+ * </com:TImageMap>
+ * </code>
+ *
+ * @author Qiang Xue <qiang.xue@gmail.com>
+ * @version $Id$
+ * @package System.Web.UI.WebControls
+ * @since 3.0
+ */
+class TImageMap extends TImage implements IPostBackEventHandler
+{
+ const MAP_NAME_PREFIX='ImageMap';
+
+ /**
+ * Processes an object that is created during parsing template.
+ * This method adds {@link THotSpot} objects into the hotspot collection
+ * of the imagemap.
+ * @param string|TComponent text string or component parsed and instantiated in template
+ */
+ public function addParsedObject($object)
+ {
+ if($object instanceof THotSpot)
+ $this->getHotSpots()->add($object);
+ }
+
+ /**
+ * Adds attribute name-value pairs to renderer.
+ * This overrides the parent implementation with additional imagemap specific attributes.
+ * @param THtmlWriter the writer used for the rendering purpose
+ */
+ protected function addAttributesToRender($writer)
+ {
+ parent::addAttributesToRender($writer);
+ if($this->getHotSpots()->getCount()>0)
+ {
+ $writer->addAttribute('usemap','#'.self::MAP_NAME_PREFIX.$this->getClientID());
+ $writer->addAttribute('id',$this->getUniqueID());
+ }
+ if($this->getEnabled() && !$this->getEnabled(true))
+ $writer->addAttribute('disabled','disabled');
+ }
+
+ /**
+ * Renders this imagemap.
+ * @param THtmlWriter
+ */
+ public function render($writer)
+ {
+ parent::render($writer);
+
+ $hotspots=$this->getHotSpots();
+
+ if($hotspots->getCount()>0)
+ {
+ $clientID=$this->getClientID();
+ $cs=$this->getPage()->getClientScript();
+ $writer->writeLine();
+ $writer->addAttribute('name',self::MAP_NAME_PREFIX.$clientID);
+ $writer->renderBeginTag('map');
+ $writer->writeLine();
+ if(($mode=$this->getHotSpotMode())===THotSpotMode::NotSet)
+ $mode=THotSpotMode::Navigate;
+ $target=$this->getTarget();
+ $i=0;
+ $options['EventTarget'] = $this->getUniqueID();
+ $options['StopEvent'] = true;
+ $cs=$this->getPage()->getClientScript();
+ foreach($hotspots as $hotspot)
+ {
+ if($hotspot->getHotSpotMode()===THotSpotMode::NotSet)
+ $hotspot->setHotSpotMode($mode);
+ if($target!=='' && $hotspot->getTarget()==='')
+ $hotspot->setTarget($target);
+ if($hotspot->getHotSpotMode()===THotSpotMode::PostBack)
+ {
+ $id=$clientID.'_'.$i;
+ $writer->addAttribute('id',$id);
+ $writer->addAttribute('href','#'.$id); //create unique no-op url references
+ $options['ID']=$id;
+ $options['EventParameter']="$i";
+ $options['CausesValidation']=$hotspot->getCausesValidation();
+ $options['ValidationGroup']=$hotspot->getValidationGroup();
+ $cs->registerPostBackControl($this->getClientClassName(),$options);
+ }
+ $hotspot->render($writer);
+ $writer->writeLine();
+ $i++;
+ }
+ $writer->renderEndTag();
+ }
+ }
+
+ /**
+ * Gets the name of the javascript class responsible for performing postback for this control.
+ * This method overrides the parent implementation.
+ * @return string the javascript class name
+ */
+ protected function getClientClassName()
+ {
+ return 'Prado.WebUI.TImageMap';
+ }
+
+ /**
+ * Raises the postback event.
+ * This method is required by {@link IPostBackEventHandler} interface.
+ * This method is mainly used by framework and control developers.
+ * @param TEventParameter the event parameter
+ */
+ public function raisePostBackEvent($param)
+ {
+ $postBackValue=null;
+ if($param!=='')
+ {
+ $index=TPropertyValue::ensureInteger($param);
+ $hotspots=$this->getHotSpots();
+ if($index>=0 && $index<$hotspots->getCount())
+ {
+ $hotspot=$hotspots->itemAt($index);
+ if(($mode=$hotspot->getHotSpotMode())===THotSpotMode::NotSet)
+ $mode=$this->getHotSpotMode();
+ if($mode===THotSpotMode::PostBack)
+ {
+ $postBackValue=$hotspot->getPostBackValue();
+ if($hotspot->getCausesValidation())
+ $this->getPage()->validate($hotspot->getValidationGroup());
+ }
+ }
+ }
+ if($postBackValue!==null)
+ $this->onClick(new TImageMapEventParameter($postBackValue));
+ }
+
+ /**
+ * @return THotSpotMode the behavior of hotspot regions in this imagemap when they are clicked. Defaults to THotSpotMode::NotSet.
+ */
+ public function getHotSpotMode()
+ {
+ return $this->getViewState('HotSpotMode',THotSpotMode::NotSet);
+ }
+
+ /**
+ * Sets the behavior of hotspot regions in this imagemap when they are clicked.
+ * If an individual hotspot has a mode other than 'NotSet', the mode set in this
+ * imagemap will be ignored. By default, 'NotSet' is equivalent to 'Navigate'.
+ * @param THotSpotMode the behavior of hotspot regions in this imagemap when they are clicked.
+ */
+ public function setHotSpotMode($value)
+ {
+ $this->setViewState('HotSpotMode',TPropertyValue::ensureEnum($value,'THotSpotMode'),THotSpotMode::NotSet);
+ }
+
+ /**
+ * @return THotSpotCollection collection of hotspots defined in this imagemap.
+ */
+ public function getHotSpots()
+ {
+ if(($hotspots=$this->getViewState('HotSpots',null))===null)
+ {
+ $hotspots=new THotSpotCollection;
+ $this->setViewState('HotSpots',$hotspots);
+ }
+ return $hotspots;
+ }
+
+ /**
+ * @return string the target window or frame to display the new page when a hotspot region is clicked within the imagemap. Defaults to ''.
+ */
+ public function getTarget()
+ {
+ return $this->getViewState('Target','');
+ }
+
+ /**
+ * @param string the target window or frame to display the new page when a hotspot region is clicked within the imagemap.
+ */
+ public function setTarget($value)
+ {
+ $this->setViewState('Target',TPropertyValue::ensureString($value),'');
+ }
+
+ /**
+ * Raises <b>OnClick</b> event.
+ * This method is invoked when a hotspot region is clicked within the imagemap.
+ * If you override this method, be sure to call the parent implementation
+ * so that the event handler can be invoked.
+ * @param TImageMapEventParameter event parameter to be passed to the event handlers
+ */
+ public function onClick($param)
+ {
+ $this->raiseEvent('OnClick',$this,$param);
+ }
+}
+
+/**
+ * TImageMapEventParameter class.
+ *
+ * TImageMapEventParameter represents a postback event parameter
+ * when a hotspot is clicked and posts back in a {@link TImageMap}.
+ * To retrieve the post back value associated with the hotspot being clicked,
+ * access {@link getPostBackValue PostBackValue}.
+ *
+ * @author Qiang Xue <qiang.xue@gmail.com>
+ * @version $Id$
+ * @package System.Web.UI.WebControls
+ * @since 3.0
+ */
+class TImageMapEventParameter extends TEventParameter
+{
+ private $_postBackValue;
+
+ /**
+ * Constructor.
+ * @param string post back value associated with the hotspot clicked
+ */
+ public function __construct($postBackValue)
+ {
+ $this->_postBackValue=$postBackValue;
+ }
+
+ /**
+ * @return string post back value associated with the hotspot clicked
+ */
+ public function getPostBackValue()
+ {
+ return $this->_postBackValue;
+ }
+}
+
+/**
+ * THotSpotCollection class.
+ *
+ * THotSpotCollection represents a collection of hotspots in an imagemap.
+ *
+ * @author Qiang Xue <qiang.xue@gmail.com>
+ * @version $Id$
+ * @package System.Web.UI.WebControls
+ * @since 3.0
+ */
+class THotSpotCollection extends TList
+{
+ /**
+ * Inserts an item at the specified position.
+ * This overrides the parent implementation by inserting only {@link THotSpot}.
+ * @param integer the speicified position.
+ * @param mixed new item
+ * @throws TInvalidDataTypeException if the item to be inserted is not a THotSpot.
+ */
+ public function insertAt($index,$item)
+ {
+ if($item instanceof THotSpot)
+ parent::insertAt($index,$item);
+ else
+ throw new TInvalidDataTypeException('hotspotcollection_hotspot_required');
+ }
+}
+
+
+/**
+ * THotSpot class.
+ *
+ * THotSpot implements the basic functionality common to all hot spot shapes.
+ * Derived classes include {@link TCircleHotSpot}, {@link TPolygonHotSpot}
+ * and {@link TRectangleHotSpot}.
+ *
+ * @author Qiang Xue <qiang.xue@gmail.com>
+ * @version $Id$
+ * @package System.Web.UI.WebControls
+ * @since 3.0
+ */
+abstract class THotSpot extends TComponent
+{
+ private $_viewState=array();
+
+ /**
+ * Returns a viewstate value.
+ *
+ * This function is very useful in defining getter functions for component properties
+ * that must be kept in viewstate.
+ * @param string the name of the viewstate value to be returned
+ * @param mixed the default value. If $key is not found in viewstate, $defaultValue will be returned
+ * @return mixed the viewstate value corresponding to $key
+ */
+ protected function getViewState($key,$defaultValue=null)
+ {
+ return isset($this->_viewState[$key])?$this->_viewState[$key]:$defaultValue;
+ }
+
+ /**
+ * Sets a viewstate value.
+ *
+ * This function is very useful in defining setter functions for control properties
+ * that must be kept in viewstate.
+ * Make sure that the viewstate value must be serializable and unserializable.
+ * @param string the name of the viewstate value
+ * @param mixed the viewstate value to be set
+ * @param mixed default value. If $value===$defaultValue, the item will be cleared from the viewstate.
+ */
+ protected function setViewState($key,$value,$defaultValue=null)
+ {
+ if($value===$defaultValue)
+ unset($this->_viewState[$key]);
+ else
+ $this->_viewState[$key]=$value;
+ }
+
+ /**
+ * @return string shape of the hotspot, can be 'circle', 'rect', 'poly', etc.
+ */
+ abstract public function getShape();
+ /**
+ * @return string coordinates defining the hotspot shape.
+ */
+ abstract public function getCoordinates();
+
+ /**
+ * @return string the access key that allows you to quickly navigate to the HotSpot region. Defaults to ''.
+ */
+ public function getAccessKey()
+ {
+ return $this->getViewState('AccessKey','');
+ }
+
+ /**
+ * @param string the access key that allows you to quickly navigate to the HotSpot region.
+ */
+ public function setAccessKey($value)
+ {
+ $this->setViewState('AccessKey',TPropertyValue::ensureString($value),'');
+ }
+
+ /**
+ * @return string the alternate text to display for a HotSpot object. Defaults to ''.
+ */
+ public function getAlternateText()
+ {
+ return $this->getViewState('AlternateText','');
+ }
+
+ /**
+ * @param string the alternate text to display for a HotSpot object.
+ */
+ public function setAlternateText($value)
+ {
+ $this->setViewState('AlternateText',TPropertyValue::ensureString($value),'');
+ }
+
+ /**
+ * @return THotSpotMode the behavior of a HotSpot object when it is clicked. Defaults to THotSpotMode::NotSet.
+ */
+ public function getHotSpotMode()
+ {
+ return $this->getViewState('HotSpotMode',THotSpotMode::NotSet);
+ }
+
+ /**
+ * @param THotSpotMode the behavior of a HotSpot object when it is clicked.
+ */
+ public function setHotSpotMode($value)
+ {
+ $this->setViewState('HotSpotMode',TPropertyValue::ensureEnum($value,'THotSpotMode'),THotSpotMode::NotSet);
+ }
+
+ /**
+ * @return string the URL to navigate to when a HotSpot object is clicked. Defaults to ''.
+ */
+ public function getNavigateUrl()
+ {
+ return $this->getViewState('NavigateUrl','');
+ }
+
+ /**
+ * @param string the URL to navigate to when a HotSpot object is clicked.
+ */
+ public function setNavigateUrl($value)
+ {
+ $this->setViewState('NavigateUrl',TPropertyValue::ensureString($value),'');
+ }
+
+ /**
+ * @return string a value that is post back when the HotSpot is clicked. Defaults to ''.
+ */
+ public function getPostBackValue()
+ {
+ return $this->getViewState('PostBackValue','');
+ }
+
+ /**
+ * @param string a value that is post back when the HotSpot is clicked.
+ */
+ public function setPostBackValue($value)
+ {
+ $this->setViewState('PostBackValue',TPropertyValue::ensureString($value),'');
+ }
+
+ /**
+ * @return integer the tab index of the HotSpot region. Defaults to 0.
+ */
+ public function getTabIndex()
+ {
+ return $this->getViewState('TabIndex',0);
+ }
+
+ /**
+ * @param integer the tab index of the HotSpot region.
+ */
+ public function setTabIndex($value)
+ {
+ $this->setViewState('TabIndex',TPropertyValue::ensureInteger($value),0);
+ }
+
+ /**
+ * @return boolean whether postback event trigger by this hotspot will cause input validation, default is true
+ */
+ public function getCausesValidation()
+ {
+ return $this->getViewState('CausesValidation',true);
+ }
+
+ /**
+ * @param boolean whether postback event trigger by this hotspot will cause input validation
+ */
+ public function setCausesValidation($value)
+ {
+ $this->setViewState('CausesValidation',TPropertyValue::ensureBoolean($value),true);
+ }
+
+ /**
+ * @return string the group of validators which the hotspot causes validation upon postback
+ */
+ public function getValidationGroup()
+ {
+ return $this->getViewState('ValidationGroup','');
+ }
+
+ /**
+ * @param string the group of validators which the hotspot causes validation upon postback
+ */
+ public function setValidationGroup($value)
+ {
+ $this->setViewState('ValidationGroup',$value,'');
+ }
+
+ /**
+ * @return string the target window or frame to display the new page when the HotSpot region
+ * is clicked. Defaults to ''.
+ */
+ public function getTarget()
+ {
+ return $this->getViewState('Target','');
+ }
+
+ /**
+ * @param string the target window or frame to display the new page when the HotSpot region
+ * is clicked.
+ */
+ public function setTarget($value)
+ {
+ $this->setViewState('Target',TPropertyValue::ensureString($value),'');
+ }
+
+ /**
+ * @return boolean whether the hotspot has custom attributes
+ */
+ public function getHasAttributes()
+ {
+ if($attributes=$this->getViewState('Attributes',null))
+ return $attributes->getCount()>0;
+ else
+ return false;
+ }
+
+ /**
+ * Returns the list of custom attributes.
+ * Custom attributes are name-value pairs that may be rendered
+ * as HTML tags' attributes.
+ * @return TAttributeCollection the list of custom attributes
+ */
+ public function getAttributes()
+ {
+ if($attributes=$this->getViewState('Attributes',null))
+ return $attributes;
+ else
+ {
+ $attributes=new TAttributeCollection;
+ $this->setViewState('Attributes',$attributes,null);
+ return $attributes;
+ }
+ }
+
+ /**
+ * @return boolean whether the named attribute exists
+ */
+ public function hasAttribute($name)
+ {
+ if($attributes=$this->getViewState('Attributes',null))
+ return $attributes->contains($name);
+ else
+ return false;
+ }
+
+ /**
+ * @return string attribute value, null if attribute does not exist
+ */
+ public function getAttribute($name)
+ {
+ if($attributes=$this->getViewState('Attributes',null))
+ return $attributes->itemAt($name);
+ else
+ return null;
+ }
+
+ /**
+ * Sets a custom hotspot attribute.
+ * @param string attribute name
+ * @param string value of the attribute
+ */
+ public function setAttribute($name,$value)
+ {
+ $this->getAttributes()->add($name,$value);
+ }
+
+ /**
+ * Removes the named attribute.
+ * @param string the name of the attribute to be removed.
+ * @return string attribute value removed, null if attribute does not exist.
+ */
+ public function removeAttribute($name)
+ {
+ if($attributes=$this->getViewState('Attributes',null))
+ return $attributes->remove($name);
+ else
+ return null;
+ }
+
+ /**
+ * Renders this hotspot.
+ * @param THtmlWriter
+ */
+ public function render($writer)
+ {
+ $writer->addAttribute('shape',$this->getShape());
+ $writer->addAttribute('coords',$this->getCoordinates());
+ if(($mode=$this->getHotSpotMode())===THotSpotMode::NotSet)
+ $mode=THotSpotMode::Navigate;
+ if($mode===THotSpotMode::Navigate)
+ {
+ $writer->addAttribute('href',$this->getNavigateUrl());
+ if(($target=$this->getTarget())!=='')
+ $writer->addAttribute('target',$target);
+ }
+ else if($mode===THotSpotMode::Inactive)
+ $writer->addAttribute('nohref','true');
+ $text=$this->getAlternateText();
+ $writer->addAttribute('title',$text);
+ $writer->addAttribute('alt',$text);
+ if(($accessKey=$this->getAccessKey())!=='')
+ $writer->addAttribute('accesskey',$accessKey);
+ if(($tabIndex=$this->getTabIndex())!==0)
+ $writer->addAttribute('tabindex',"$tabIndex");
+ if($this->getHasAttributes())
+ {
+ foreach($this->getAttributes() as $name=>$value)
+ $writer->addAttribute($name,$value);
+ }
+ $writer->renderBeginTag('area');
+ $writer->renderEndTag();
+ }
+}
+
+/**
+ * Class TCircleHotSpot.
+ *
+ * TCircleHotSpot defines a circular hot spot region in a {@link TImageMap}
+ * control.
+ *
+ * @author Qiang Xue <qiang.xue@gmail.com>
+ * @version $Id$
+ * @package System.Web.UI.WebControls
+ * @since 3.0
+ */
+class TCircleHotSpot extends THotSpot
+{
+ /**
+ * @return string shape of this hotspot.
+ */
+ public function getShape()
+ {
+ return 'circle';
+ }
+
+ /**
+ * @return string coordinates defining this hotspot shape
+ */
+ public function getCoordinates()
+ {
+ return $this->getX().','.$this->getY().','.$this->getRadius();
+ }
+
+ /**
+ * @return integer radius of the circular HotSpot region. Defaults to 0.
+ */
+ public function getRadius()
+ {
+ return $this->getViewState('Radius',0);
+ }
+
+ /**
+ * @param integer radius of the circular HotSpot region.
+ */
+ public function setRadius($value)
+ {
+ $this->setViewState('Radius',TPropertyValue::ensureInteger($value),0);
+ }
+
+ /**
+ * @return integer the X coordinate of the center of the circular HotSpot region. Defaults to 0.
+ */
+ public function getX()
+ {
+ return $this->getViewState('X',0);
+ }
+
+ /**
+ * @param integer the X coordinate of the center of the circular HotSpot region.
+ */
+ public function setX($value)
+ {
+ $this->setViewState('X',TPropertyValue::ensureInteger($value),0);
+ }
+
+ /**
+ * @return integer the Y coordinate of the center of the circular HotSpot region. Defaults to 0.
+ */
+ public function getY()
+ {
+ return $this->getViewState('Y',0);
+ }
+
+ /**
+ * @param integer the Y coordinate of the center of the circular HotSpot region.
+ */
+ public function setY($value)
+ {
+ $this->setViewState('Y',TPropertyValue::ensureInteger($value),0);
+ }
+}
+
+/**
+ * Class TRectangleHotSpot.
+ *
+ * TRectangleHotSpot defines a rectangle hot spot region in a {@link
+ * TImageMap} control.
+ *
+ * @author Qiang Xue <qiang.xue@gmail.com>
+ * @version $Id$
+ * @package System.Web.UI.WebControls
+ * @since 3.0
+ */
+class TRectangleHotSpot extends THotSpot
+{
+ /**
+ * @return string shape of this hotspot.
+ */
+ public function getShape()
+ {
+ return 'rect';
+ }
+
+ /**
+ * @return string coordinates defining this hotspot shape
+ */
+ public function getCoordinates()
+ {
+ return $this->getLeft().','.$this->getTop().','.$this->getRight().','.$this->getBottom();
+ }
+
+ /**
+ * @return integer the Y coordinate of the bottom side of the rectangle HotSpot region. Defaults to 0.
+ */
+ public function getBottom()
+ {
+ return $this->getViewState('Bottom',0);
+ }
+
+ /**
+ * @param integer the Y coordinate of the bottom side of the rectangle HotSpot region.
+ */
+ public function setBottom($value)
+ {
+ $this->setViewState('Bottom',TPropertyValue::ensureInteger($value),0);
+ }
+
+ /**
+ * @return integer the X coordinate of the right side of the rectangle HotSpot region. Defaults to 0.
+ */
+ public function getLeft()
+ {
+ return $this->getViewState('Left',0);
+ }
+
+ /**
+ * @param integer the X coordinate of the right side of the rectangle HotSpot region.
+ */
+ public function setLeft($value)
+ {
+ $this->setViewState('Left',TPropertyValue::ensureInteger($value),0);
+ }
+
+ /**
+ * @return integer the X coordinate of the right side of the rectangle HotSpot region. Defaults to 0.
+ */
+ public function getRight()
+ {
+ return $this->getViewState('Right',0);
+ }
+
+ /**
+ * @param integer the X coordinate of the right side of the rectangle HotSpot region.
+ */
+ public function setRight($value)
+ {
+ $this->setViewState('Right',TPropertyValue::ensureInteger($value),0);
+ }
+
+ /**
+ * @return integer the Y coordinate of the top side of the rectangle HotSpot region. Defaults to 0.
+ */
+ public function getTop()
+ {
+ return $this->getViewState('Top',0);
+ }
+
+ /**
+ * @param integer the Y coordinate of the top side of the rectangle HotSpot region.
+ */
+ public function setTop($value)
+ {
+ $this->setViewState('Top',TPropertyValue::ensureInteger($value),0);
+ }
+}
+
+/**
+ * Class TPolygonHotSpot.
+ *
+ * TPolygonHotSpot defines a polygon hot spot region in a {@link
+ * TImageMap} control.
+ *
+ * @author Qiang Xue <qiang.xue@gmail.com>
+ * @version $Id$
+ * @package System.Web.UI.WebControls
+ * @since 3.0
+ */
+class TPolygonHotSpot extends THotSpot
+{
+ /**
+ * @return string shape of this hotspot.
+ */
+ public function getShape()
+ {
+ return 'poly';
+ }
+
+ /**
+ * @return string coordinates of the vertices defining the polygon.
+ * Coordinates are concatenated together with comma ','. Each pair
+ * represents (x,y) of a vertex.
+ */
+ public function getCoordinates()
+ {
+ return $this->getViewState('Coordinates','');
+ }
+
+ /**
+ * @param string coordinates of the vertices defining the polygon.
+ * Coordinates are concatenated together with comma ','. Each pair
+ * represents (x,y) of a vertex.
+ */
+ public function setCoordinates($value)
+ {
+ $this->setViewState('Coordinates',$value,'');
+ }
+}
+
+
+/**
+ * THotSpotMode class.
+ * THotSpotMode defines the enumerable type for the possible hot spot modes.
+ *
+ * The following enumerable values are defined:
+ * - NotSet: the mode is not specified
+ * - Navigate: clicking on the hotspot will redirect the browser to a different page
+ * - PostBack: clicking on the hotspot will cause a postback
+ * - Inactive: the hotspot is inactive (not clickable)
+ *
+ * @author Qiang Xue <qiang.xue@gmail.com>
+ * @version $Id$
+ * @package System.Web.UI.WebControls
+ * @since 3.0.4
+ */
+class THotSpotMode extends TEnumerable
+{
+ const NotSet='NotSet';
+ const Navigate='Navigate';
+ const PostBack='PostBack';
+ const Inactive='Inactive';
+}
+
generated by cgit v1.2.3 (git 2.46.0) at 2024-11-01 06:44:27 +0000