Modern Java
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U ltimate Button Bar

The Ultimate Button Bar package consists of four components: an applet ImageURLButtonBar, used for creating graphic image based buttons; an applet TextURLButtonBar, used for creating text based buttons; an applet LiteTextURLButtonBar, a smaller version of TextURLButtonBar with a reduced feature set; and a class ButtonBar, for use by Java programmers who wish to include a button bar (or bars) in their applets or applications.
I mageURLButtonBar Features

The applet ImageURLButtonBar is a Java program that can be embedded in a web page to create a navigational button bar (or button). The buttons are created based on user specified graphic images. The list below is a summary of the applet's features.
Up to four different images for button states are supported: a base image, a mouse over button image, a second mouse over button image (for animation), and a mouse down image.
Animation is supported and the animation frame rate can be specified when two mouse over button images are provided.
The button bar can have either a vertical or horizontal orientation.
The button bar can use up to three audio clips to play for button events: a mouse over sound, a mouse down sound, and a mouse up sound.
A background image can be displayed. This can be used, for example, to give the button bar a border frame.
The spacing of buttons on the button bar is user definable.
Button borders can be automatically generated using any border width.
Button borders (if used) are by default colored by lightening or darkening the image in the border region. Alternately, a color can be manually specified for both the top and bottom borders.
The button image can be automatically shifted when the button is clicked to give the illusion that the button was pressed down. Button shift can be specified both for buttons with and for buttons without borders.
Images for button states that do not have a user specified pre-defined image will automatically be generated by the applet. For instance, if an image for the mouse over button state is not specified, then the base image will be used for the mouse over state, and a grayscale version of the base image will be used for the base state.
Automatically generated button state images can be overridden if the automatically generated images are not desired.
A button description can be displayed in the browser's status bar when the mouse is moved over the button.
An optional button disabled image can be specified which is used if an error is detected in a button's URL parameter.
Target frames are supported for each button URL.
Buttons can optionally "stick" so that a user can see what button was last clicked.
The base button bar, mouseOver button bar, and mouseDown button bar can be "brightened" or "dimmed", and optionally tinted, using user specified values.
An applet background color can be specified to minimize potential visual distraction when the web page is initialized, resized, or scrolled.
Source code included for the applet.
T extURLButtonBar Features

The applet TextURLButtonBar is a Java program that can be embedded in a web page to create a navigational button bar (or button). The buttons are created based on user specified text (no image files are required). The list below is a summary of the applet's features.
Button text can be assigned for up to three states for each individual button: base text, mouse over text, and mouse down text.
Text alignment (left, center, or right) can be specified for each individual button.
For each individual button, the font, font size, font style, font color, and button background color can be assigned.
An alternate font color can be assigned to each individual button for both the mouse over button state, and the mouse down state.
A texture image can be specified that will cause a the texture to be applied to all of the button bar buttons (i.e., the texture is not applied in the space between the buttons), or to the entire button bar.
Simple embossing can be performed on the button bar base image, and optionally, on the mouse over button bar image and the mouse down button bar image.
The button bar can have either a vertical or horizontal orientation.
The button bar can use up to three audio clips to play for button events: mouse over sound, mouse down sound, and mouse up sound.
A background image can be displayed. This can be used, for example, to give the button bar a border frame.
The height of the button bar and the width of each individual button is user definable.
The spacing of buttons on the button bar is user definable.
Button borders can be automatically generated using any border width.
Button borders (if used) are by default colored by lightening or darkening the image in the border region. Alternately, a color can be manually specified for both the top and bottom borders.
The button image can be automatically shifted when the button is clicked to give the illusion that the button was pressed down. Button shift can be specified both for buttons with and for buttons without borders.
Images for all button states are automatically generated by the applet.
A button description can be displayed in the browser's status bar when the mouse is moved over the button.
Target frames are supported for each button URL.
The base button bar, mouseOver button bar, and mouseDown button bar can be "brightened" or "dimmed", and optionally tinted, using user specified values.
An applet background color can be specified to minimize potential visual distraction when the web page is initialized, resized, or scrolled.
Buttons can optionally "stick" so that a user can see what button was last clicked.
L iteTextURLButtonBar Features

The applet LiteTextURLButtonBar is a Java program which implements a subset of the features of the TextURLButtonBar applet. The LiteTextURLButtonBar applet can be embedded in a web page to create a navigational button bar (or button). The buttons are created based on user specified text. The list below is a summary of the applet's features.
Button text can be assigned for up to three states for each individual button: base text, mouse over text, and mouse down text.
Button text can be either left justified, center justified, or right justified.
The font, font size, font style, font color, and button background color can be specified by the user.
An alternate font color can be assigned for both the mouse over state, and the mouse down state.
The button bar can have either a vertical or horizontal orientation.
The button bar can use up to three audio clips to play for button events: mouse over sound, mouse down sound, and mouse up sound.
The height of the button bar and the width of each individual button is user definable.
The spacing of buttons on the button bar is user definable.
Button borders are automatically generated using any border width.
Button borders are by default colored by lightening or darkening the image in the border region. Alternately, a color can be manually specified for both the top and bottom borders.
The button image can be automatically shifted when the button is clicked to give the illusion that the button was pressed down. Button shift can be specified both for buttons with and for buttons without borders.
Images for all button states are automatically generated by the applet.
A button description can be displayed in the browser's status bar when the mouse is moved over the button.
Target frames are supported for each button URL.
Buttons can optionally "stick" so that a user can see what button was last clicked.
An applet background color can be specified to minimize potential visual distraction when the web page is initialized, resized, or scrolled.
Source code included for the applet.
B uttonBar Features

ButtonBar is a Java class that can used by a Java programmer to implement a button bar (or button) in a Java application or applet. All of the applets included in the Ultimate Button BarTM package use this class to implement a button bar. The list below is a summary of the class features.
Up to six different images are supported: a base image, a mouse over image, a second mouse over image (for animation), a mouse down image, a mouse over down button image (for use with "sticky" buttons), and a button disabled image.
Animation is supported and the animation frame rate can be specified when two mouse over button images are provided.
The button bar can have either a vertical or horizontal orientation.
A background image can be displayed. This can be used, for example, to give the button bar a border frame.
The spacing of buttons on the button bar is user definable.
Button borders can be automatically generated using any border width.
Button borders (if used) are by default colored by lightening or darkening the image in the border region. Alternately, a color can be manually specified for both the top and bottom borders.
The button image can be automatically shifted when the button is clicked to give the illusion that the button was pressed down. Button shift can be specified both for buttons with and for buttons without borders.
Images for button states that do not have a user specified pre-defined image will automatically be generated by the class. For instance, if an image for the mouse over button state is not specified, then the base image will be used for the mouse over state, and a grayscale version of the base image will be used for the base state.
Automatically generated button state images can be overridden if the automatically generated images are not desired.
The functional equivalent of checkboxes and radio buttons can be created using "sticky" buttons.
Observer/Observable design means that multiple objects in your program can receive button event notification.
Nine event types are supported: IMAGES_READY, MOUSE_CLICK, MOUSE_CLICK_DISABLED, BUTTON_UP, BUTTON_DOWN, MOUSE_ENTER, MOUSE_ENTER_DISABLED, MOUSE_EXIT, and MOUSE_EXIT_DISABLED.
Intelligent loading of image files: The button bar becomes active after the base image (and the background image, if specified) has been loaded.
Two constructors available: one constructor allows file names to be specified for the images (class loads the images), and the second constructor allows Java Images to be used (class does not load the images).
The base button bar, mouseOver button bar, and mouseDown button bar can be "brightened" or "dimmed", and optionally tinted, using values specified in a constructor.
Thorough error handling.
Copyright © 1997 by Modern Minds, Inc.