Oracle Forms-Canvas types
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Oracle Forms-Canvas types
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Oracle Forms-Canvas types
- 1. Working with Canvases and Windows http://ebiztechnics.blogspot.com
- 2. Objectives • Describe Canvases • Type of Canvases • Creating different types of canvases • Properties of Canvases and Windows http://ebiztechnics.blogspot.com
- 3. Canvas and windows • Canvas: Surface on which you “paint” visual objects To see a canvas and its objects, display the canvas in a window. • Window: Container for Form Builder visual objects Two types - Modal - Modeless http://ebiztechnics.blogspot.com
- 4. Canvases, windows and viewport Forms MDI Window Canvas Forms SDI Window http://ebiztechnics.blogspot.com
- 5. Types of canvases • Form Builder Provides 4 different types of canvases: 1. Content Canvas 2. Stacked Canvas 3. Toolbar Canvas 4. Tab Canvas http://ebiztechnics.blogspot.com
- 6. Types of Canvases Content Canvas Stacked Canvas Tab Page Tab Canvas Vertical Toolbar Canvas Horizontal Toolbar Canvas http://ebiztechnics.blogspot.com
- 7. Content Canvas • It’s the Default Canvas • Also Known as Base Canvas • View occupies the complete window • At a time one content canvas is display in a window. • Every window must contain at least one content canvas http://ebiztechnics.blogspot.com
- 8. Creating a Content Canvas • Implicitly created – Using the Layout wizard – Layout Editor • Explicitly created – Select the Canvas node in Object Navigator and click create icon. http://ebiztechnics.blogspot.com
- 9. Content Canvas Properties Height Width Canvas Viewport X/Y Position on canvas Viewport http://ebiztechnics.blogspot.com
- 10. Stacked Canvas • Displayed on top of a content canvas • Shares a window with a content canvas • Size: – Usually smaller than the content canvas in the same window – Determined by viewport size • Created in: – Object Navigator – Layout Editor http://ebiztechnics.blogspot.com
- 11. Toolbar Canvas • Three types: – Vertical toolbar – Horizontal toolbar – Forms MDI toolbar • Provide: – Standard look and feel – Alternative to menu or function key operation – Generally used for placing push Buttons with functionality http://ebiztechnics.blogspot.com
- 12. Toolbar Canvas Properties • Canvas Type • Window • Width • Height • Form Module properties: – Form Horizontal Toolbar Canvas – Form Vertical Toolbar Canvas http://ebiztechnics.blogspot.com
- 13. Tab Canvas • Enables you to organize and display related information on separate tabs • Consists of one or more tab pages • Provides easy access to data • Created in: – Object Navigator – Layout Editor http://ebiztechnics.blogspot.com
- 15. Window Properties • Title • Window Style • Modal • Hide On Exit • Functional properties GUI options: - Close Allowed - Maximize Allowed - Move Allowed - Minimize Allowed - Resize Allowed - Inherit Menu http://ebiztechnics.blogspot.com
- 16. Summary • Creating Canvases • Types of Canvases • Properties of Canvases • Windows and its properties http://ebiztechnics.blogspot.com
Notas do Editor
- What is a Viewport? A viewport is an attribute of a canvas. It is effectively the visible portion of, or view Onto, the canvas.
- Note: At runtime, only one content canvas can display in a window at a time. However,you Can assign multiple content canvases to a window.
- Note: Double-clicking the icon for a canvas in the Object Navigator will invoke the Layout Editor instead of the Property pallet.
- Uses and Benefits of Stacked Canvases Creating an overlay effect within a single window Displaying headers that display constant information, such as company name Creating a cascading or a revealing effect within a single window Displaying additional information Displaying information conditionally Displaying context-sensitive help Hiding information
- Note: The MDI toolbar is available only for Microsoft Windows
- - Viewport X/Y Position - Tab Attachment Edge - Viewport width - Viewport Height
- Note: The canvas you choose as the primary canvas must be a content canvas.