phetsims / ratio-and-proportion

"Ratio and Proportion" is an educational simulation in HTML5, by PhET Interactive Simulations.
GNU General Public License v3.0
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Interactive Description Implementation #11

Closed Matthew-Moore240 closed 3 years ago

Matthew-Moore240 commented 4 years ago

This issue helps tracks the big picture progress of the description design, description implementation, and implementation of alternative input. Sound and adaptive features are incorporated only at a high-level here, though could be added as we move forward and learn more.

A11y Features

Checked features are being worked on for this sim

A11y Design

A11y Design Prep

Interactive Descriptions - Design

Interactive Descriptions ## PDOM **Checked items have PDOM structures identified & determined** - [x] Dynamic objects that warrant their own name and description in the Play Area, see [Heading Outline & Focus Order](https://docs.google.com/document/d/1HJvvGWYaUv9tlat9S7omQQVng8fGB4FuUhTEM1qx1z8/edit#heading=h.rm6k5cnbj102) - [x] All interactive objects and their PhET types (e.g., sliders, buttons, etc.), see [State Descriptions](https://docs.google.com/document/d/1HJvvGWYaUv9tlat9S7omQQVng8fGB4FuUhTEM1qx1z8/edit#heading=h.4qwnshvocwsz) - [x] New interaction types (i.e., new PDOM components or patterns) in this sims, or check: - First accessible PhET accordion box - Custom bi-manual interaction with no "grab button" - Lock Ratio checkbox - addresses mobile VO limitation where bi-manual operation is not possible - Platform specific help text for custom interactions and mobile VO limitations ## [State Descriptions](https://docs.google.com/document/d/1HJvvGWYaUv9tlat9S7omQQVng8fGB4FuUhTEM1qx1z8/edit#heading=h.4qwnshvocwsz) ### Static State Descriptions **Checked items drafted & ready for implementation** - [x] Static screen summary - [x] Initial sim-specific interaction hint (place in own paragraph) - [x] Headings for objects/groups in Play Area - [x] Labels for interactive elements - [x] Heading outline & Focus Order - [x] Help text for interactive elements ### [Dynamic State Descriptions](https://docs.google.com/document/d/1HJvvGWYaUv9tlat9S7omQQVng8fGB4FuUhTEM1qx1z8/edit#heading=h.m96bq8cv9p9v) **Checked items completed in design document** - [x] PDOM section of Design Doc contains 1 clear example of each dynamic description - [x] Dynamic screen summary (i.e., brief state-of-the-sim) - Interesting, this sim only has one classic dynamic description, the dynamic part of the screen summary. Though much more complicated, this sim is similar in dynamic-state-description structure to John Travoltage and Friction. - [x] Added a dynamic description of the hands (see issue #322) which provides distance and position, the sliders and both hands provide proximity to ratio. - [x] Dynamic parameters (scales and approximate ranges) for dynamic objects ready - [x] Special case parameters or phrases identified (dynamic screen summary, dynamic states) - [x] #318, design description for dynamic screen summary for My Challenge values when My Challenge is open. ## [Responsive Descriptions for UI Components](https://docs.google.com/document/d/1HJvvGWYaUv9tlat9S7omQQVng8fGB4FuUhTEM1qx1z8/edit#heading=h.98o3mi6fdpfw) **Checked items drafted & ready for implementation** - Lots of iteration occurred between interviews, e.g. #196, #203 - [x] Tick Mark Options - context responses for new selections (object responses are built-in) - [x] Challenge Ratio combobox - context responses for a new challenge (object responses are built-in) - [x] My Challenge accordion box - context response for communicating current values for the challenge (when accordion is opened) - context for successful hiding of the values - [x] Left and Right number spinners - object responses for changing single value & combined challenge values - context response for communicating hands proximity to the actual challenge ## [Responsive Descriptions for Hand Interactions](https://docs.google.com/document/d/1HJvvGWYaUv9tlat9S7omQQVng8fGB4FuUhTEM1qx1z8/edit#heading=h.ym5u0y2c0uow) **Checked items drafted & ready for implementation** ### Parameters, Scales & Ranges - Tables (or lists) outlining dynamic parameters (scales & ranges) for each sim concept created - [x] [Proximity to Ratio](https://docs.google.com/document/d/1HJvvGWYaUv9tlat9S7omQQVng8fGB4FuUhTEM1qx1z8/edit#heading=h.v24owms95lch) - [x] [Distance between the hands](https://docs.google.com/document/d/1HJvvGWYaUv9tlat9S7omQQVng8fGB4FuUhTEM1qx1z8/edit#heading=h.d35ie15dw694) - [x] [Hand Position for sliders - qualitative](https://docs.google.com/document/d/1HJvvGWYaUv9tlat9S7omQQVng8fGB4FuUhTEM1qx1z8/edit#heading=h.5flakihbyw43) - [x] [Hand Position for Both Hands - qualitative](https://docs.google.com/document/d/1HJvvGWYaUv9tlat9S7omQQVng8fGB4FuUhTEM1qx1z8/edit#heading=h.c9wem8ke1pju) - [x] [Hand Position Quantitative](https://docs.google.com/document/d/1HJvvGWYaUv9tlat9S7omQQVng8fGB4FuUhTEM1qx1z8/edit#heading=h.13rijcgoq7os) - [x] [Between tick marks](https://docs.google.com/document/d/1HJvvGWYaUv9tlat9S7omQQVng8fGB4FuUhTEM1qx1z8/edit#heading=h.ot2xn171wor4) when tick marks are present - several iterations - [x] verification around 0 mark may need some tweaking ### Complex Context Responses - By Interaction - [x] Context responses for Single Hand Interactions - implemented & iterated - See tables in the section [New Walk Throughs with New Parameters](https://docs.google.com/document/d/1HJvvGWYaUv9tlat9S7omQQVng8fGB4FuUhTEM1qx1z8/edit#heading=h.ajbrfbcqskxd) for final iterations of object and context responses for all hand interactions. - [x] [Table: Both Hands CWT](https://docs.google.com/document/d/1HJvvGWYaUv9tlat9S7omQQVng8fGB4FuUhTEM1qx1z8/edit#heading=h.j01dg7fai4u8) - [x] [Table: Sliders CWT](https://docs.google.com/document/d/1HJvvGWYaUv9tlat9S7omQQVng8fGB4FuUhTEM1qx1z8/edit#heading=h.h9fasrtn6h6) - moving individual hands - [x] [Table: Design flip with distance progress](https://docs.google.com/document/d/1HJvvGWYaUv9tlat9S7omQQVng8fGB4FuUhTEM1qx1z8/edit#heading=h.hq2zvuiwvq6f) (No Tick Marks, Tick Marks, Numbered Tick Marks)

Interactive Descriptions - Implementation

Interactive Descriptions - verification check list ## State Descriptions ### Static State Descriptions (Screen Summary) - [x] H1 for sim title - [x] Tab order correct - [x] Sim Regions & H2 Headings (Play Area, Control Area, Sim Resources) - [x] Static part of screen summary - [x] Initial sim-specific interaction hint provided in own paragraph - [x] Keyboard Shortcuts interaction hint (PART OF COMMON CODE) ### Static State Descriptions (Play Area) - [x] Sim-specific H3's for sim objects (or none for this sim) - [x] Interactions are accessible (i.e., have accessible names, keyboard accessible) - [x] Help text for interactive objects ### Static Descriptions (Control Area) - [x] Sim-specific H3s for Control Area (or none for this sim) - [x] Interactions are accessible (i.e., names, keyboard accessible) - On mobile VoiceOver, Both Hands interaction is not possible. Platform-dependent help text in place to re-direct learner's attention back to individual hands or to the Lock Ratio check box (on Create Screen). - [x] Help text for checkboxes (Lock Ratio checkbox) - [x] May need iteration, see https://github.com/phetsims/ratio-and-proportion/issues/312 - [x] Reset All button ### Sim Resources - [x] Keyboard Shortcuts dialog completed - [x] Keyboard Shortcuts dialog accessible - one outstanding issue see [#254](https://github.com/phetsims/ratio-and-proportion/issues/254) - [x] Keyboard Shortcuts button added - [x] Mute Sound button (added when sound is added to main sim repo) - [x] Sim Screen buttons - focus issue when loading screen from Sim Resources - see #282 ### Dynamic State Descriptions **Dynamic Screen Summary** - [x] Phrases work with all parameters - [x] Capitalization verified (just need to double check "Challenge Ratio" and "Both Hands" in state descriptions) - [x] Punctuation verified (haven't noticed any issues recently (dec 15)) - [x] #318, description of My Challenge values in dynamic screen summary when My Challenge is open. **Play Area Object Descriptions** - [x] Dynamic description of hands added to Play Area, see issue #322 ## Responsive Descriptions ### Object Responses **Left/Right Hand sliders (aria-valuetext)** - [x] Object values and ranges for proximity to ratio verified for all slider interactions - [x] Increases/decreases verified - [x] Steps verified, n/a for proximity to ratio - [x] Interaction shortcuts verified - [x] Shift Key - [x] Home/End keys - [x] Pg Up/Down **Both Hands (aria live region)** - [x] Object values and ranges for proximity to ratio verified for Both Hands interaction - [x] Increases/decreases verified - [x] Steps verified, n/a for proximity to ratio - [x] Interaction shortcuts verified - [x] Shift Key - [x] 0-9 keys **Lock Ratio on (aria live region)** - [x] All interactions use Both hand responses when Lock Ratio is checked **Challenge Ratio Option - Combobox (screen 1)** - [x] Values and ranges verified - [x] Increases/decreases verified - [x] Steps verified - n/a as there are only 3 options - [x] Interaction shortcuts verified (e.g., Home/End keys work out of the box) - [x] Mobile A11y - I can change options using double taps and swipes on mobile VoiceOver **My Challenge Number Spinners (screen 2)** - [x] button opens options - correct responses - [x] arrow keys move through options - correct responses - [x] enter on option, selects option and closes list - responses - [x] Interaction shortcuts verified (e.g., Home/End keys toggle between first and last option) **Tick Mark Options Radio Group** - [x] Correct group semantics - [x] Correct radio button names - [x] Correct responses on selecting a radio button - [x] No help text **Ranges Combobox** - [x] button opens options - correct responses - [x] arrow keys move through options - correct responses - [x] enter on option, selects option and closes list - responses - [x] Interaction shortcuts verified (e.g., Home/End keys toggle between first and last option) **Lock Ratio checkbox** - [x] Space key checks the checkbox - [x] Checkbox correctly disabled when hands not at challenge ratio - Context responses for Lock Ratio (are somewhat complicated) - [x] Simple case responses (locking and unlocking ratio when hands are at challenge) working fine - [x] Edge case response - when hands get knocked out of ratio, see issue #227 - [x] Re-opened #227 - Added edge 3 - [x] "Go beyond edge" responses when lock ratio is checked, and a learner tries to explore beyond the min/max allowed value - see issue #247 ### Context Responses for Hand Interactions - Noting here that all interactions work, but there are rounding and min value issues #279, #275, #323 that we are still working through - We will consider updated ranges for describing between tick marks after all other issues, or for next publication, see #298. **Individual Hands (Left and Right Hand sliders)** - [x] Qualitative distance & distance progress strings working in context responses - Hand position (3 views) strings working in context responses: - [x] Qualitative hand position (No Tick Marks) - [x] Quantitative hand position (Tick Marks) - [x] Quantitative hand position (Numbered Tick Marks) **Both Hands** - [x] Qualitative distance & distance progress strings working in context responses - Hand position (3 views) strings working in context responses: - [x] Qualitative hand position (No Tick Marks) - [x] Quantitative hand position (Tick Marks) - [x] Quantitative hand position (Numbered Tick Marks) **Mobile A11y** - [ ] All interactions verified using iOS VoiceOver, see scenery issue - [x] Mobile A11y - "Go beyond edge" responses working for both the bottom and top of the screen, see issue #332 - [ ] Mobile A11y - I can change options using double taps and swipes on mobile VoiceOver

Other A11y ToDo's

Maintain Accessible Sims page

Issues created for Accessory Materials

Check Credits Create issues for ensuring credits are added

Once Evaluation begins

During QA or just after publication

zepumph commented 4 years ago

@Matthew-Moore240 as you are working on descriptions, I wanted to remind/let you know that the most recent dynamic-phrase-building tool is available at https://phetsims.github.io/a11y-research/js/phrase-builder/.

brettfiedler commented 3 years ago

Just checking - is this complete and should be closed?

zepumph commented 3 years ago

Seems like it!

terracoda commented 3 years ago

There are 2 mobile a11y items are not checked off, but I think that’s just a glitch. The sim got through QA.