jimm.datavision.layout.swing
Class SwingPageContents

java.lang.Object
  jimm.datavision.layout.swing.SwingPageContents

 class SwingPageContents
extends java.lang.Object

Holds report page contents and creates SwingPage instances when requested.

Author:

Jim Menard, jimm@io.com

See Also:

SwingLE, SwingPageField

Field Summary

(package private) java.lang.Thread	buildThread
(package private) SwingPage	page
(package private) java.awt.Dimension	pageDim
(package private) java.util.ArrayList	pageFields
(package private) int	pageNumber
(package private) javax.swing.JPanel	parent

Constructor Summary

SwingPageContents(javax.swing.JPanel parent, int pageNumber, java.awt.Dimension dim)
Constructor.

Method Summary

(package private) void	add(Field f, java.lang.String v, java.awt.Rectangle r) Adds a new field, its display value, and its position on the page.
(package private) void	buildPage() Builds the swing page and adds it to the parent.
(package private) void	forgetPage() Forgets the page we have built, removes it from its parent, and restores the field information so we can build the page later.
(package private) SwingPage	getPage() Returns the swing page.
(package private) boolean	isPageBuilt() Returns true if the swing page has been built.
(package private) void	prebuildPage() Builds the swing page and adds it to the parent, all in a separate thread.
(package private) void	showPage() Displays the swing page, building it first if necessary.

Methods inherited from class java.lang.Object

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

Field Detail

pageFields

java.util.ArrayList pageFields

page

SwingPage page

pageNumber

int pageNumber

parent

javax.swing.JPanel parent

pageDim

java.awt.Dimension pageDim

buildThread

java.lang.Thread buildThread

Constructor Detail

SwingPageContents

SwingPageContents(javax.swing.JPanel parent,
                  int pageNumber,
                  java.awt.Dimension dim)

Constructor.

Parameters:

parent - the panel in which this page will be displayed; its layout must be a CardLayout

pageNumber - the page number, starting at 1

dim - the page dimensions

Method Detail

add

void add(Field f,
         java.lang.String v,
         java.awt.Rectangle r)

Adds a new field, its display value, and its position on the page.

Parameters:

f - a report field

v - the field's display value (retrieved from the database or otherwise calculated)

r - the display position and size

isPageBuilt

boolean isPageBuilt()

Returns true if the swing page has been built.

getPage

SwingPage getPage()

Returns the swing page. If the page is being built, wait for the page building to complete before returning the page. If page construction has not started, build the page and return it.

Returns:

a SwingPage

showPage

void showPage()

Displays the swing page, building it first if necessary.

prebuildPage

void prebuildPage()

Builds the swing page and adds it to the parent, all in a separate thread. Calls buildPage().

This isn't entirely thread safe, but it's close enough for our purposes.

buildPage

void buildPage()

Builds the swing page and adds it to the parent.

forgetPage

void forgetPage()

Forgets the page we have built, removes it from its parent, and restores the field information so we can build the page later.