Package com.levigo.jadice.web.client.rules

Class ApplyDynamicZoomRule

java.lang.Object

com.levigo.jadice.web.client.rule.AbstractPresentationRule

com.levigo.jadice.web.client.rules.ApplyDynamicZoomRule

All Implemented Interfaces:

PresentationRule

public class ApplyDynamicZoomRule
extends AbstractPresentationRule

Dynamically adjusts the zoom factor for each displayed page.

Supports the following modes:

• Fit to height
• Fit to width
• Fit both

Switches to single page layout when activated. Lets the width or the height of the displayed page capture the whole viewer widget (depending on the mode). Stays active when a new document is loaded or a new page is displayed.

Is deactivated when the zoom factor is modified manually. Is deactivated when the page layout is set to anything different from single page layout.

Field Summary

Fields

Modifier and Type	Field	Description
static final String	DYNAMIC_ZOOM_STATE	Used for a property that reflects an ongoing zoom factor modification caused by dynamic zoom mode.

Constructor Summary

Constructors

Constructor	Description
ApplyDynamicZoomRule()

Method Summary

Modifier and Type	Method	Description
void	currentPageChanged(PageView view, Page page)
void	pageLayoutStyleChanged(PageView view, PageLayout pageLayoutStyle)	Deactivates dynamic zoom mode whenever the layout is changed from SinglePageLayout to anything different.
void	renderSettingChanged(PageView pageView, RenderSettingsEvent evt)	Changes the layout to SinglePageLayout whenever DYNAMIC_ZOOM_MODE is activated.
void	viewResized(PageView view)	Called when the size of the page view is modified.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Details

DYNAMIC_ZOOM_STATE

public static final String DYNAMIC_ZOOM_STATE

Used for a property that reflects an ongoing zoom factor modification caused by dynamic zoom mode. In that case dynamic zoom mode shall be activated.

See Also:

• Constant Field Values

Constructor Details

ApplyDynamicZoomRule

public ApplyDynamicZoomRule()

Method Details

renderSettingChanged

public void renderSettingChanged(PageView pageView,
 RenderSettingsEvent evt)

Changes the layout to SinglePageLayout whenever DYNAMIC_ZOOM_MODE is activated.

Specified by:

renderSettingChanged in interface PresentationRule

Overrides:

renderSettingChanged in class AbstractPresentationRule

Parameters:

pageView - The PageView.

evt - The event informing us about a possible layout change.

viewResized

public void viewResized(PageView view)

Called when the size of the page view is modified.

Specified by:

viewResized in interface PresentationRule

Overrides:

viewResized in class AbstractPresentationRule

Parameters:

view - the PageView.

currentPageChanged

public void currentPageChanged(PageView view,
 Page page)

Specified by:

currentPageChanged in interface PresentationRule

Overrides:

currentPageChanged in class AbstractPresentationRule

pageLayoutStyleChanged

public void pageLayoutStyleChanged(PageView view,
 PageLayout pageLayoutStyle)

Deactivates dynamic zoom mode whenever the layout is changed from SinglePageLayout to anything different.

Specified by:

pageLayoutStyleChanged in interface PresentationRule

Overrides:

pageLayoutStyleChanged in class AbstractPresentationRule

Parameters:

view - The PageView.

pageLayoutStyle - The new layout.