SB SPLICE Integration

Section 3.28 SPLICE Integration

SPLICE is a project to supply documentation and infrastructure to help with adopting shared standards, protocols, and tools for web-based learning tools. The project has designed a protocol for an embedded iframe to communicate with its host page.

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One aspect is the ability of an iframe to ask for a new size. Below is a test of that capability.

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These are examples that use the SPLICE protocol for communicating with a server, such as Runestone. They are all integrated into this PreTeXt book as an <interactive> that uses an @iframe attribute to embed an iframe from some other server.

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This first sample tests the ability of an iframe to ask for a new size.

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The next uses CodeCheck.

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Figure 3.28.1. CodeCheck iframe

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And the remaing four are from the OpenDSA project.

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Figure 3.28.2. Stack pop slideshow

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Figure 3.28.3. A List Insertion Exercise

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Figure 3.28.4. A Binary Search Exercise

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Figure 3.28.5. Dijkstra’s Algorithm Exercise

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(2025-11-05) The following two exercises are strictly EXPERIMENTAL. Do not incorporate them into your projects as they are likely to change dramatically.

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Checkpoint 3.28.6. Finding the average velocity of a moving object from data (dual, Doenet).

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Checkpoint 3.28.7. OpenDSA List Insertion (Dual).

Work this following problem. Note that this is really just a test to see if additional text (beyond an <interactive>) will show up.

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This example recreates the Show-Eval visualization from the Runestone Components, using a PreTexT <interactive>. It also records student activity using SPLICE.

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It demonstrates how the Show-Eval tool can be used to visualize the evaluation of Python expressions step by step.

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This could also be used for doing similar visualization of mathematical expressions. Support for MathJax would take some work, but this example would be a good starting point.

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Figure 3.28.8. Show-Eval Visualization

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