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Updated Design: subflows (markdown)

knolleary 2014-09-26 11:13:44 -07:00
parent 4208e912a3
commit f5546e7ea8
1 changed files with 62 additions and 68 deletions
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22
Design:-subflows.md

@ -11,9 +11,8 @@ A subflow can be used in one of two modes: (this is tbd. Might just stick with s
1. User selects some existing nodes. 1. User selects some existing nodes.
2. Selects 'convert to subflow' option. 2. Selects 'convert to subflow' option.
4. Dialog opens to name the subflow.
3. Nodes are removed from workspace and replaced by a subflow node. 3. Nodes are removed from workspace and replaced by a subflow node.
4. Subflow node added to palette 4. Subflow node given a default name and added to palette
**Questions:** **Questions:**
@ -27,6 +26,7 @@ A subflow can be used in one of two modes: (this is tbd. Might just stick with s
1. Double click subflow node. 1. Double click subflow node.
2. Opens in closeable tab containing the flow. 2. Opens in closeable tab containing the flow.
3. Tab toolbar includes options to name.
**Questions:** **Questions:**
@ -46,23 +46,17 @@ A subflow node has the following properties:
* `type` : `subflow` * `type` : `subflow`
* `id` * `id`
* `name` * `name`
* `in` - the id of the internal node that provides the flow's input port.
* `out` - an array identifying the internal nodes and their output ports that are mapped to the flows outputs. Elements are objects of the form: `{id:ID, port:PORT}`.
A node that is part of a subflow has their `z` property set to the `id` of the subflow. A node that is part of a subflow has their `z` property set to the `id` of the subflow.
An instance of a subflow has the following properties: An instance of a subflow has the following properties:
* `type` : `subflow` ... ? * `type` : `subflow:ID`
* `id` * `id`
* something to identify mode... if we have modes. * `singleton` : true/false
* `name` - if singleton, inherits from parent subflow
It inherits the `name` of the parent subflow.
**Questions:**
* how does an instance node identify its parent?
* type=subflow:'parent-id'
* type=something other than subflow and parent=<parent-id>