Mercurial > projects > doodle
annotate doodle/import/network.d @ 29:960b408d3ac5
Builds and runs ok with builder now.
Still heaps of cleaning up to do, especially code roughly
imported from dog.
| author | Graham St Jack <graham.stjack@internode.on.net> |
|---|---|
| date | Mon, 03 Aug 2009 23:19:55 +0930 |
| parents | 1754cb773d41 |
| children |
| rev | line source |
|---|---|
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29
960b408d3ac5
Builds and runs ok with builder now.
Graham St Jack <graham.stjack@internode.on.net>
parents:
28
diff
changeset
|
1 module doodle.presentation.network; |
| 0 | 2 |
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29
960b408d3ac5
Builds and runs ok with builder now.
Graham St Jack <graham.stjack@internode.on.net>
parents:
28
diff
changeset
|
3 //import doodle.presentation.model; |
|
960b408d3ac5
Builds and runs ok with builder now.
Graham St Jack <graham.stjack@internode.on.net>
parents:
28
diff
changeset
|
4 |
|
960b408d3ac5
Builds and runs ok with builder now.
Graham St Jack <graham.stjack@internode.on.net>
parents:
28
diff
changeset
|
5 version(none) { |
| 0 | 6 |
| 7 enum EdgeEnd { | |
| 8 Source, | |
| 9 Target | |
| 10 }; | |
| 11 | |
| 12 interface NetworkObserver { | |
| 13 // Node changes | |
| 14 | |
| 15 void node_added(GraphNode node, | |
| 16 GraphElement container); | |
| 17 void node_changed(GraphNode node); | |
| 18 void node_relocated(GraphNode node, | |
| 19 GraphElement container); | |
| 20 void node_removed(GraphNode node, | |
| 21 GraphElement container); | |
| 22 | |
| 23 // Edge changes | |
| 24 | |
| 25 void edge_added(GraphEdge node, | |
| 26 GraphConnector anchor1, GraphConnector anchor2); | |
| 27 void edge_changed(GraphEdge edge); | |
| 28 void edge_rerouted(); | |
| 29 void edge_removed(); | |
| 30 } | |
| 31 | |
| 32 interface Network { | |
| 33 void add_observer(NetworkObserver observer); | |
| 34 void remove_observer(NetworkObserver observer); | |
| 35 | |
| 36 // | |
| 37 // Interrogation: | |
| 38 // | |
| 39 | |
| 40 GraphNode[] get_root_nodes(); | |
| 41 | |
| 42 // Inquire whether in principle a node of node_type | |
| 43 // can be added at the given point, possibly nested | |
| 44 // within the nest node. The nest can be null. | |
| 45 bool can_add(char[] node_type, | |
| 46 Point point, // necessary? | |
| 47 GraphNode nest); | |
| 48 | |
| 49 bool can_relocate(GraphNode node); | |
| 50 | |
| 51 bool can_remove(GraphNode node); | |
| 52 | |
| 53 // Inquire whether in principle the source element can | |
| 54 // be connected to the target element using | |
| 55 // an edge of edge_type. This might return true even | |
| 56 // though the real operation would fail due to deeper checking. | |
| 57 bool can_connect(char[] edge_type, | |
| 58 GraphElement source_element, Point source_point, | |
| 59 GraphElement target_element, Point target_point); | |
| 60 | |
| 61 // Inquire whether in principle a given end of an existing edge | |
| 62 // can be rerouted from old_element to new_element at new_point. | |
| 63 // old_element and new_element may be the same element. | |
| 64 bool can_reroute(GraphEdge edge, EdgeEnd end, | |
| 65 GraphElement old_element, | |
| 66 GraphElement new_element, Point new_point); | |
| 67 | |
| 68 bool can_disconnect(GraphEdge edge); | |
| 69 | |
| 70 // | |
| 71 // Manipulation: | |
| 72 // | |
| 73 | |
| 74 // Attempt to really add a node... | |
| 75 GraphNode add(char[] node_type, /* initial properties, */ | |
| 76 Point point, | |
| 77 GraphNode nest); | |
| 78 | |
| 79 void relocate(GraphNode node, | |
| 80 GraphElement old_container, | |
| 81 GraphElement new_container, Point new_point); | |
| 82 | |
| 83 // Attempt to really remove a node | |
| 84 void remove(GraphNode node); | |
| 85 | |
| 86 // Attempt to really connect the source element to the target element | |
| 87 // using an edge of the given type with the given initial properties. | |
| 88 GraphEdge connect(char[] edge_type, /* initial properties, */ | |
| 89 GraphElement source_element, Point source_point, | |
| 90 GraphElement target_element, Point target_point); | |
| 91 | |
| 92 // Attempt to really reroute.. | |
| 93 void reroute(GraphEdge edge, EdgeEnd end, | |
| 94 GraphElement old_element, | |
| 95 GraphElement new_element, Point new_point); | |
| 96 | |
| 97 // Attempt to really remove an edge... | |
| 98 void disconnect(GraphEdge edge); | |
| 99 } | |
|
29
960b408d3ac5
Builds and runs ok with builder now.
Graham St Jack <graham.stjack@internode.on.net>
parents:
28
diff
changeset
|
100 |
|
960b408d3ac5
Builds and runs ok with builder now.
Graham St Jack <graham.stjack@internode.on.net>
parents:
28
diff
changeset
|
101 } |