mirror of
https://github.com/Jermolene/TiddlyWiki5
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74 lines
4.9 KiB
Plaintext
74 lines
4.9 KiB
Plaintext
title: $:/plugins/tiddlywiki/dynaview/docs
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! Documentation
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The components of this plugin include:
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* A background task that:
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** performs specified actions when elements are scrolled into view
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** updates certain base classes on the `document.body` according to the current zoom level
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** if enabled in the DynaView config panel - dynamically stores the viewport dimensions in $:/state/viewport/width and $:/state/viewport/height
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* Pre-configured CSS classes to simplify using those base classes
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* Usage examples
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! Scroll Features
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!! Set tiddler field when visible
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The background task detects when elements with the class `tc-dynaview-set-tiddler-when-visible` scroll into view. The first time that they do, the background task assigns the value in the attribute `data-dynaview-set-value` to the tiddler whose title is in the attribute `data-dynaview-set-tiddler`. This assignment can be tied to a reveal widget to cause content to be displayed when it becomes visible. If the class `tc-dynaview-expand-viewport` is set then the viewport is expanded so that the processing occurs when elements move near the viewport.
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!! Unset tiddler field when set visible before but then scrolled out of view
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The background task detects when elements with the class `tc-dynaview-set-tiddler-when-visible` scroll out view after they have scrolled into view. When scrolling out of view after they have scrolled in, the background task assigns the value in the attribute `data-dynaview-unset-value` to the tiddler whose title is in the attribute `data-dynaview-unset-tiddler`. This assignment can be tied to a reveal widget to cause content to be hidden when it becomes invisible. If the class `tc-dynaview-expand-viewport` is set then the viewport is expanded so that the processing occurs when elements move near the viewport.
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!! Update address bar when scrolling
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The background task detects the tiddler at the top of the viewport and sets the address bar location hash to the title of that tiddler.
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! Viewport Size Features
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!! Viewport Size Tracking
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The background task can optionally dynamically update a pair of state tiddlers with the dimensions of the browser viewport.
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* Set the configuration tiddler $:/config/DynaView/ViewportDimensions to the text "yes" to enable this feature
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* The viewport dimensions can be found in $:/state/DynaView/ViewportDimensions/Width and $:/state/DynaView/ViewportDimensions/Height
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! Zoom Features
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!! Document Body Zoom Classes
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The background task sets the following classes on `document.body` according to the current zoom level.
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|!Class |!Description |
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|`tc-dynaview-zoom-factor-1` |Set when the zoom level is less than 2.00 |
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|`tc-dynaview-zoom-factor-2` |Set when the zoom level is greater than 2.00 and less than 3.00 |
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|`tc-dynaview-zoom-factor-3` |Set when the zoom level is greater than 3.00 and less than 4.00 |
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|`tc-dynaview-zoom-factor-4` |Set when the zoom level is greater than 4.00 |
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|`tc-dynaview-zoom-factor-1-and-above` |Set when the zoom level is greater than or equal to 1.00 |
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|`tc-dynaview-zoom-factor-1a-and-above` |Set when the zoom level is greater than or equal to 1.14 |
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|`tc-dynaview-zoom-factor-1b-and-above` |Set when the zoom level is greater than or equal to 1.33 |
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|`tc-dynaview-zoom-factor-1c-and-above` |Set when the zoom level is greater than or equal to 1.60 |
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|`tc-dynaview-zoom-factor-2-and-above` |Set when the zoom level is greater than or equal to 2.00 |
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|`tc-dynaview-zoom-factor-2a-and-above` |Set when the zoom level is greater than or equal to 2.66 |
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|`tc-dynaview-zoom-factor-3-and-above` |Set when the zoom level is greater than or equal to 3.00 |
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|`tc-dynaview-zoom-factor-4-and-above` |Set when the zoom level is greater than or equal to 4.00 |
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!! Pre-configured Classes
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These classes can be used on any element to control its visibility at different zoom levels.
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|!Class |!Description |
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|`tc-dynaview-zoom-visible-1-and-above` |Visible when the zoom level is 1.00 or more |
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|`tc-dynaview-zoom-visible-1a-and-above` |Visible when the zoom level is 1.14 or more |
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|`tc-dynaview-zoom-visible-1b-and-above` |Visible when the zoom level is 1.33 or more |
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|`tc-dynaview-zoom-visible-1c-and-above` |Visible when the zoom level is 1.60 or more |
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|`tc-dynaview-zoom-visible-2-and-above` |Visible when the zoom level is 2.00 or more |
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|`tc-dynaview-zoom-visible-2a-and-above` |Visible when the zoom level is 2.66 or more |
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|`tc-dynaview-zoom-visible-3-and-above` |Visible when the zoom level is 3.00 or more |
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|`tc-dynaview-zoom-visible-4-and-above` |Visible when the zoom level is 4.00 or more |
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|`tc-dynaview-zoom-visible-1` |Visible when the zoom level is less than 2.00 |
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|`tc-dynaview-zoom-visible-2` |Visible when the zoom level is greater than or equal to 2.00 and less than 3.00 |
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|`tc-dynaview-zoom-visible-3` |Visible when the zoom level is greater than or equal to 3.00 and less than 4.00 |
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|`tc-dynaview-zoom-visible-4` |Visible when the zoom level is greater than or equal to 4.00 |
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