The canvas widget A cancas is a panel where we anchor widgets.

It generates tableless HTML and is used for absolute positioning.

• author: Andrea Giardina <andrea.giardina@crealabs.it>
• author: Fabrizio Balliano <fabrizio.balliano@crealabs.it>

Located in /p4a/objects/widgets/canvas.php (line 47)

P4A_Object
   |
   --P4A_Widget
      |
      --P4A_Canvas

mixed $left = 10 (line 51)

mixed $objects = array() (line 49)

mixed $offset_left = 0 (line 54)

mixed $offset_top = 0 (line 53)

mixed $top = 10 (line 50)

mixed $unit = "px" (line 52)

Inherited Variables

Inherited from P4A_Widget

P4A_Widget::$actions
P4A_Widget::$enabled
P4A_Widget::$label
P4A_Widget::$map_actions
P4A_Widget::$properties
P4A_Widget::$style
P4A_Widget::$template_name
P4A_Widget::$use_template
P4A_Widget::$value
P4A_Widget::$visible
P4A_Widget::$_temp_vars
P4A_Widget::$_tpl_vars

Inherited from P4A_Object

P4A_Object::$_helpers
P4A_Object::$_id
P4A_Object::$_map_actions
P4A_Object::$_name
P4A_Object::$_objects
P4A_Object::$_parent_id

Constructor P4A_Canvas (line 56)

P4A_Canvas P4A_Canvas ( $name)

• $name

anchor (line 61)

void anchor ( &$object,  $top, [ $left = 0])

• &$object
• $top
• $left

defineGrid (line 72)

void defineGrid ([ $top = 10], [ $left = 10], [ $unit = 'px'])

• $top
• $left
• $unit

getAsString (line 79)

void getAsString ()

---

Redefinition of:

P4A_Widget::getAsString()

Returns the HTML rendered widget.

setOffset (line 66)

void setOffset ( $top,  $left)

• $top
• $left

Inherited Methods

Inherited From P4A_Widget

P4A_Widget::addAction()
P4A_Widget::addAjaxAction()
P4A_Widget::addTempVar()
P4A_Widget::changeEvent()
P4A_Widget::clearTemplateVars()
P4A_Widget::clearTempVars()
P4A_Widget::composeStringActions()
P4A_Widget::composeStringClassStyle()
P4A_Widget::composeStringProperties()
P4A_Widget::composeStringStyle()
P4A_Widget::disable()
P4A_Widget::display()
P4A_Widget::dropAction()
P4A_Widget::dropTempVar()
P4A_Widget::enable()
P4A_Widget::fetchTemplate()
P4A_Widget::getAccessKey()
P4A_Widget::getAsString()
P4A_Widget::getHeight()
P4A_Widget::getLabel()
P4A_Widget::getProperty()
P4A_Widget::getStyleProperty()
P4A_Widget::getValue()
P4A_Widget::getWidth()
P4A_Widget::isEnabled()
P4A_Widget::isVisible()
P4A_Widget::onBlur()
P4A_Widget::onChange()
P4A_Widget::onClick()
P4A_Widget::onDblClick()
P4A_Widget::onFocus()
P4A_Widget::onKeyDown()
P4A_Widget::onKeyPress()
P4A_Widget::onKeyUp()
P4A_Widget::onMouseDown()
P4A_Widget::onMouseMove()
P4A_Widget::onMouseOver()
P4A_Widget::onMouseUp()
P4A_Widget::onReturnPress()
P4A_Widget::onSelect()
P4A_Widget::p4a_widget()
P4A_Widget::raise()
P4A_Widget::redesign()
P4A_Widget::requireConfirmation()
P4A_Widget::setAccessKey()
P4A_Widget::setBgcolor()
P4A_Widget::setBgimage()
P4A_Widget::setDefaultLabel()
P4A_Widget::setFontColor()
P4A_Widget::setFontWeight()
P4A_Widget::setHeight()
P4A_Widget::setInvisible()
P4A_Widget::setLabel()
P4A_Widget::setProperty()
P4A_Widget::setStyleProperty()
P4A_Widget::setValue()
P4A_Widget::setVisible()
P4A_Widget::setWidth()
P4A_Widget::unrequireConfirmation()
P4A_Widget::unsetProperty()
P4A_Widget::unsetStyleProperty()
P4A_Widget::useTemplate()

Inherited From P4A_Object

P4A_Object::actionHandler()
P4A_Object::build()
P4A_Object::destroy()
P4A_Object::dropIntercept()
P4A_Object::errorHandler()
P4A_Object::getId()
P4A_Object::getName()
P4A_Object::getObjectType()
P4A_Object::getParentID()
P4A_Object::implementMethod()
P4A_Object::intercept()
P4A_Object::isActionTriggered()
P4A_Object::p4a_object()
P4A_Object::setName()
P4A_Object::setParentID()
P4A_Object::void()
P4A_Object::_loadHelper()
P4A_Object::__call()