# Exposed States This plugin enables you to build a robust graphics canvas on your Bubble web page. There are hundreds of customizations, workflow events, workflow actions, and custom states you can apply to your own graphics canvas. Here is a list of several of the key features: **Exposed States**\ \&#xNAN;*You can access these states on the design or workflow tab, by referring to the Canvas-Main element's states.* | State | Evaluates To | | ------------------------------- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | | Element is Selected? | **Yes/No** - Yes if an object/element is selected on the Canvas | | Selected Element Type | **"drawing", "shape", "text"** - if there is a selected Element on the Canvas, this publishes the Type of element | | Selected Shape - Type | **"Rectangle", "Ellipse", "Triangle", "Line"** - If the selected Element is a Shape, this will publish the shape type | | Selected Shape - Fill Color | **Color** - if the selected Element is a Shape, this publishes the Fill Color of that Shape | | Selected Shape - Outline Color | **Color** - if the selected Element is a Shape, this publishes the Outline Color of that Shape | | Selected Shape - Outline Width | **Color** - if the selected Element is a Shape, this publishes the Outline Width of that Shape | | Selected Drawing - Color | **Color** - if the selected Element is a Drawing, this publishes the Color of that Drawing's stroke | | Selected Drawing - Stroke Width | **Color** - if the selected Element is a Drawing, this publishes the Width of that Drawing's stroke | | Selected Text - Font Family | **Text** - if the selected Element is a Text, this publishes the Font Family of that Text | | Selected Text - Font Color | **Text** - if the selected Element is a Text, this publishes the Font Color of that Text | | Selected Text - Font Size | **Text** - if the selected Element is a Text, this publishes the Font Size of that Text | | Selected Text - Text Value | **Text** - if the selected Element is a Text, this publishes the Value of that Text | | Selected Text - Text Value | **Text** - If the selected Element is a Text, this will publish the text value (i.e. the value inside of the textbox) | | Drawing's PNG URL | **Text** - The URL of the Canvas's PNG ([details here)](https://guide.techblocksco.com/canvas-using-the-plugin/saving-the-canvas#save-as-png-to-url) | | Serialized Canvas | **Text** - The JSON of the Serialized Canvas ([details here](https://guide.techblocksco.com/canvas-using-the-plugin/saving-the-canvas#save-as-serialization)) | | Selected Element IDs | **Text** - The text value(s) of the selected Element's unique IDs | | Number of Undos Available |

Number - The number of undo's available. When the Canvas is initially loaded, this will be 0. Each user action will increase this value by 1.

Note: This setting is helpful if you want to create an undo button on your page and "grey it out" when the user has 0 undo's remaining.

| | Number of Redos Available |

Number - The number of redo's available. When the Canvas is initially loaded, this will be 0. Each time the "undo" action is run will increase this value by 1.

Note: This setting is helpful if you want to create an redo button on your page and "grey it out" when the user has 0 redo's remaining.

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