Adding Components to a Window

There are four primary methods for creating components:

1. Select the component in the palette, and then use the mouse to draw a rectangle in a container. While a component is selected in a palette, the mouse curser will be a crosshair (+) when hovering over a container that the component can be dropped in. Draw a rectangle in the container to specify where the component should be placed and what size it should be.

2. Drag a component's icon from a palette onto a container. The component will be placed where you dropped it at its default size. It can then be resized.

3. Drag one or more Tags onto a window. You'll get a popup with the kind of component you want to make based on the Tag type.

4. Any shapes that are drawn with the drawing tools, any imported images or SVGs, and any of the Symbol Factory images are also considered components.

Choosing the Component Palette

There are two styles of component palette in Ignition Vision: the tabbed palette and the collapsible palette. These palettes work in the same way, but the tabbed palette is meant to dock to the north or south edge of the workspace, and the collapsible palette is meant to dock to the east or west edge. By default, the Collapsible palette is visible in the window workspace. To switch palettes, navigate to the View > Panels menu, and select the Tabbed Palette or the Collapsible Palette.

Creating a Custom Palettes

Custom palettes are like expanded copy/paste clipboards. You can put customized components or groups of components into a palette for quick access.

To create a custom palette, right-click on a tab in the tabbed palette or a header in the collapsible palette, and choose New Custom Palette. Your custom palette will appear as the last palette. Your custom palette has one special button in it, the capture button ( ). To add components to your palette, select them and press the capture button. This effectively does a copy, and stores the captured components as a new item in the clipboard. You can then use that item much like a normal component, and add multiple copies of it to your windows.

Note that these are simple copies, and are not linked back to the custom palette. Re-capturing that palette item will not update all uses of that item across your windows.

Creating Components using Tags

Components can also be created by simply dragging a tag onto a container. Depending on the datatype of the Tag, you will get a popup menu prompting you to select an appropriate type of component for that Tag. This technique is great for rapid application design as it does two things for you:

• The component is created at the position you dropped it.

• A variety of property bindings are created automatically.

Tags are used in windows to power property bindings on components. The easiest way to make some components that are bound to Tags is to simply drag and drop some Tags onto your window. If you don't have Tags yet, see the Browsing and Creating OPC Tags page for more info.

1. Drag a Tag onto a window. You'll get a popup menu asking you what kind of component to make. You can Display the Tag with some components, and control the Tag with other components.
   

   

2. Drag a few more Tags onto the screen to experiment with the different options.

   

3. As you're editing your project, you can click the Save icon on the toolbar to save your changes. Note that unless you started with a new blank project (not one of the project templates) your new window won't be available in the client after saving it. Any new window must be opened, and that means adding a button somewhere to open/swap to this window. See Navigation Windows for more information.

For example, suppose you have an Int4 type Tag, if you drag the tag from the Tag Browser panel onto a component, you will be prompted either to display or control the Tag with a variety of labels, level indicators, numeric entry fields, and control buttons.

The bindings depend on what kind of tag was dropped and what kind of component was created. For example, lets suppose you have a Float8 point that represents a setpoint, and you want to set it. Drop the Tag onto a container and choose to control it with a Numeric Text Field. The following bindings will be set up automatically:

• The text field's doubleValue property gets a bidirectional tag binding to the tag's Value property.

• The text field's minimum and maximum properties get tag bindings to the tag's EngLow and EngHigh properties, respectively.

• The text field's decimalFormat property gets a tag binding to the tag's FormatString property.

• The text field's toolTipText property gets a tag binding to the tag's Tooltip property.

It is important to realize that multiple property bindings are created when creating components this way. These bindings not only using the tag's value, but much of the tag's metadata as well. Using the tags metadata in this way can greatly improve a project's maintainability. For example, if you decide that the setpoint needs 3 decimal places of precision, you can simply alter the tag's FormatString to be #,##0.000, and anywhere you used that tag will start displaying the correct precision because of the metadata bindings.

Creating Components using Shapes

All of the shapes that you can draw using the shape tools are themselves components. As such, they have properties, event handlers, names, layout constraints, and all of the other things that you'll find on other components. They also have some things that normal components don't.