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Composite Panels

Overview

Composite panels allow you to combine several small panels – subpanels – into one larger panel. Subpanels are defined normally in an auxiliary schema; Composite panels define a list of subpanels that should be included in the composite panel.

NOTE: Subpanels must contain only one preference.

Grades

Composite panels must be defined with the fluid.prefs.compositePanel grade, as shown on line 2 in the following code block:

fluid.defaults("my.panels.composite", {
    gradeNames: ["fluid.prefs.compositePanel", "autoInit"],
    ...
});

It is expected that composite panels will be quite simple in most cases, functioning strictly as a container for subpanels. All they typically need are any selectors and prototrees needed for a label, heading, or anything general to the entire composite panel.

Subpanels are defined with the fluid.prefs.panel grade, the same grade used for defining regular panels.

fluid.defaults("my.panels.subanel", {
    gradeNames: ["fluid.prefs.panel", "autoInit"],
    ...
});

Composite Panel Definition

A composite panel is defined in the auxiliary schema, in a special block called groups, which has the following general format:

groups: {
    <composite panel name>: {
        "container": <selector of element in preferences editor where panel should be rendered>,
        "template": <path and filename of composite panel template>,
        "message": <path and filename of composite panel message file>,
        "type": <grade name of composite panel>,
        "panels": [<list of subpanels to include in this composite panel>]
    },
    <composite panel name>: {...},
    ...
}

In the code block above, the panels list on line 7 is an array of names. These are derived from the keys in the auxiliary schema that associate panels with preferences.

Templates

A composite panel and its subpanels each have their own HTML template. The composite panel template must contain elements that will serve as containers for the subpanels.

Auxiliary Schema Declarations

The subpanel declarations in the auxiliary schema will reference the selectors for these elements.

Message Bundles

A composite panel and its subpanels can each have their own JSON message file.

Examples

Composite panel HTML template:

<div class="my-composite-panel">
    <div class="subpanel-1-container"></div>
    <div class="subpanel-2-container"></div>
</div>

Auxiliary schema section defining panels:

preference1: {
    "type": "fluid.prefs.preference1",
    "panel": {
        "type": "fluid.prefs.panel.subpanel1",
        // Reference to the selector defined in the composite panel template for subpanel1
        "container": ".subpanel-1-container",
        "template": "%prefix/subpanel1.html",
        "message": "%prefix/subpanel1.json"
    }
},
preference2: {
    "type": "fluid.prefs.preference2",
    "panel": {
        "type": "fluid.prefs.panel.subpanel2",
        // Reference to the selector defined in the composite panel template for this subpanel2
        "container": ".subpanel-2-container",
        "template": "%prefix/subpanel2.html",
        "message": "%prefix/subpanel2.json"
    }
},
groups: {
    composite1: {
        "container": ".my-composite-1",
        "template": "%prefix/composite1.html",
        "message": "%prefix/composite1.json",
        "type": "fluid.prefs.panel.composite1",
        "panels": ["preference1", "preference2"]
    }
}