pivot-editor/index.html

383 lines
10 KiB
HTML
Raw Normal View History

2021-05-08 13:51:19 -04:00
<div id="app"></div>
2021-05-11 06:26:18 -04:00
2021-05-09 20:26:40 -04:00
<script>
2021-05-08 13:51:19 -04:00
2021-05-09 20:26:40 -04:00
var N =
{
2021-05-09 14:19:13 -04:00
ID:{
Walk:0,
Instance:0
},
2021-05-11 23:18:08 -04:00
2021-05-11 06:26:18 -04:00
Create(inMeta)
2021-05-05 21:53:04 -04:00
{
2021-05-11 06:26:18 -04:00
return {
2021-05-09 14:19:13 -04:00
ID:{
Walk:0,
Instance:N.ID.Instance++
2021-05-11 06:26:18 -04:00
},
Meta:inMeta||{},
Link:{}
2021-05-05 21:53:04 -04:00
};
},
2021-05-09 20:26:40 -04:00
Connect(inNodeMajor, inNodeMinor, inKey)
2021-05-05 21:53:04 -04:00
{
2021-05-11 23:18:08 -04:00
N.Step(inNodeMajor, inKey, true, true).push(inNodeMinor);
N.Step(inNodeMinor, inKey, false, true).push(inNodeMajor);
2021-05-08 07:03:41 -04:00
},
2021-05-09 20:26:40 -04:00
Disconnect(inNodeMajor, inNodeMinor, inKey)
2021-05-08 07:03:41 -04:00
{
2021-05-09 20:26:40 -04:00
let remove = (inArray, inMatch) => inArray.findIndex( (inMember, inIndex, inArray) => (inMember === inMatch) ? inArray.splice(inIndex, 1) : false );
if(inNodeMinor === null)
{
inNodeMajor.Link[inKey].Set.forEach( inLoopNode =>
2021-05-09 14:19:13 -04:00
{
2021-05-09 20:26:40 -04:00
if(inLoopNode.Link[inKey].Get.length == 1)
{
// we're about to delete the last get reference on a minor node, just purge the key entirely
delete inLoopNode.Link[inKey];
}
else
{
remove( inLoopNode.Link[inKey].Get, inNodeMajor);
}
2021-05-09 14:19:13 -04:00
});
2021-05-09 20:26:40 -04:00
// we just wiped out all set, if get is empty we can purge the key from major
if(inNodeMajor.Link[inKey].Get.length == 0)
{
delete inNodeMajor.Link[inKey];
}
2021-05-09 14:19:13 -04:00
return;
}
2021-05-09 20:26:40 -04:00
if(inNodeMajor === null)
{
inNodeMinor.Link[inKey].Get.forEach( inLoopNode =>
2021-05-09 14:19:13 -04:00
{
2021-05-09 20:26:40 -04:00
if(inLoopNode.Link[inKey].Set.length == 1)
{
delete inLoopNode.Link[inKey];
}
else
{
remove( inLoopNode.Link[inKey].Set, inNodeMinor);
}
2021-05-09 14:19:13 -04:00
});
2021-05-09 20:26:40 -04:00
// we just wiped out all get, if set is empty we can purge the key from minor
if(inNodeMinor.Link[inKey].Set.length == 0)
{
delete inNodeMinor.Link[inKey];
}
2021-05-09 14:19:13 -04:00
return;
}
2021-05-09 20:26:40 -04:00
if(inNodeMajor.Link[inKey].Set.length == 1)
{
delete inNodeMajor.Link[inKey];
}
else
{
remove(inNodeMajor.Link[inKey].Set, inNodeMinor);
}
if(inNodeMinor.Link[inKey].Get.length == 1)
{
delete inNodeMinor.Link[inKey];
}
else
{
remove(inNodeMinor.Link[inKey].Get, inNodeMajor);
}
2021-05-11 23:18:08 -04:00
},
Step(inNode, inKey, inForward, inForceCreate)
{
let connectionGroup = inNode.Link[inKey];
if(!connectionGroup)
{
if(inForceCreate)
{
inNode.Link[inKey] = connectionGroup = {Get:[], Set:[]};
}
else
{
return false;
}
}
return (inForward === undefined || inForward === true) ? connectionGroup.Set : connectionGroup.Get;
2021-05-05 21:53:04 -04:00
},
2021-05-09 20:26:40 -04:00
Walk(inIterator, inNode, inKey, inForward)
2021-05-05 21:53:04 -04:00
{
2021-05-11 06:26:18 -04:00
let array = N.Step(inNode, inKey, inForward);
2021-05-05 21:53:04 -04:00
for(let i=0; i<array.length; i++)
{
let next = array[i];
2021-05-09 14:19:13 -04:00
if(next.ID.Walk !== N.ID.Walk)
2021-05-05 21:53:04 -04:00
{
2021-05-09 14:19:13 -04:00
next.ID.Walk = N.ID.Walk;
2021-05-05 21:53:04 -04:00
let results = inIterator(next);
if(results !== false)
{
2021-05-09 20:26:40 -04:00
N.Walk(inIterator, next, inKey, inForward);
2021-05-05 21:53:04 -04:00
}
}
}
2021-05-11 23:18:08 -04:00
},
Path(inArray, inNode, inKey, inForward)
{
var current = inNode;
var direction = inForward||true;
for(let i=0; i<inArray.length; i++)
{
current = N.Step(current, inKey, direction)[inArray[i]];
}
return current;
2021-05-09 20:26:40 -04:00
}
};
2021-05-11 23:18:08 -04:00
</script>
2021-05-09 20:26:40 -04:00
2021-05-11 23:18:08 -04:00
<script>
2021-05-11 06:26:18 -04:00
`
A C
\ / \
\ / \
B D
`
2021-05-09 20:26:40 -04:00
let a = N.Create({name:"A"});
let b = N.Create({name:"B"});
let c = N.Create({name:"C"});
2021-05-11 06:26:18 -04:00
let d = N.Create({name:"D"});
2021-05-09 20:26:40 -04:00
N.Connect(a, b, "parent");
2021-05-11 06:26:18 -04:00
N.Connect(c, b, "parent");
N.Connect(c, d, "parent");
N.Disconnect(a, null, "parent");
2021-05-11 23:18:08 -04:00
/*
2021-05-11 06:26:18 -04:00
console.log(a.Link);
console.log(b.Link);
console.log(c.Link);
console.log(d.Link);
2021-05-11 23:18:08 -04:00
*/
2021-05-09 20:26:40 -04:00
</script>
<script>
var Pivot =
{
Leaves:{},
2021-05-11 06:26:18 -04:00
2021-05-09 20:26:40 -04:00
Init(inRows)
{
Pivot.Leaves = inRows.map(r => N.Create({Row:r}));
Pivot.Init = ()=>{};
},
2021-05-12 19:08:52 -04:00
Pivot(inParent, inPivotIndicies, inSumIndicies, inDepth)
2021-05-09 20:26:40 -04:00
{
//arguments:
// - a Node with leaf Nodes temporarily stored in its Meta.Leaves
// - where each leaf Node has a row of table data in it's Meta.Row
// - a list of columns to pivot on
// - a list of columns to sum
// - optional traversal depth, defaults to 0
let depth = inDepth||0;
let uniques = {};
inParent.Meta.Leaves.forEach((inLeaf)=>
{
let row = inLeaf.Meta.Row; // shorthand for the raw "CSV" row in the leaf Node's Meta
2021-05-12 19:08:52 -04:00
let value = row[inPivotIndicies[depth]]; // get the pivot column
2021-05-09 20:26:40 -04:00
let match = uniques[value]; // check in the uniques list if this pivot column exists
if(!match)
{
// if not, store a value under that key that will be the meta object for a new child
2021-05-12 19:08:52 -04:00
let clone = row.map(r=>null);
inSumIndicies.forEach((inSumIndex, inIndex, inArray)=>
{
clone[inSumIndex] = row[inSumIndex]
});
2021-05-09 20:26:40 -04:00
match = uniques[value] = {
Label:value,
2021-05-12 19:08:52 -04:00
Row:clone,
2021-05-09 20:26:40 -04:00
Leaves:[]
};
// grow a child off of the parent using the meta object
N.Connect(inParent, N.Create(match), "Hierarchy");
}
else
{
// if a match does exist, sum the appropriate columns
2021-05-12 19:08:52 -04:00
inSumIndicies.forEach((inSumIndex) => match.Row[inSumIndex] += row[inSumIndex]);
2021-05-09 20:26:40 -04:00
}
// move the leaves into the child
match.Leaves.push(inLeaf);
});
delete inParent.Meta.Leaves;
var iterator;
2021-05-12 19:08:52 -04:00
if(depth >= inPivotIndicies.length-1)
2021-05-09 20:26:40 -04:00
{
iterator = inChild =>
{
inChild.Meta.Leaves.forEach( inLeaf => N.Connect(inChild, inLeaf, "Hierarchy") );
delete inChild.Meta.Leaves;
}
}
else
{
2021-05-12 19:08:52 -04:00
iterator = child => Pivot.Pivot(child, inPivotIndicies, inSumIndicies, depth+1);
2021-05-09 20:26:40 -04:00
}
2021-05-11 06:26:18 -04:00
N.Step(inParent, "Hierarchy").forEach(iterator);
2021-05-09 20:26:40 -04:00
return inParent;
},
2021-05-12 19:08:52 -04:00
Create(inPivotIndicies, inSumIndicies)
2021-05-09 20:26:40 -04:00
{
2021-05-12 19:08:52 -04:00
return Pivot.Pivot(N.Create({Leaves:Pivot.Leaves}), inPivotIndicies, inSumIndicies);
2021-05-05 21:53:04 -04:00
},
2021-05-08 08:46:37 -04:00
Modify(inNode)
2021-05-08 07:03:41 -04:00
{
2021-05-09 14:19:13 -04:00
N.ID.Walk++;
2021-05-08 07:03:41 -04:00
2021-05-11 23:18:08 -04:00
let modifier = N.Create({});
2021-05-08 07:03:41 -04:00
let leaves = [];
2021-05-11 23:18:08 -04:00
let gatherUp = n => N.Connect(modifier, n, "ModifyUp");
2021-05-08 08:46:37 -04:00
let gatherDown = n =>
2021-05-08 07:03:41 -04:00
{
2021-05-11 23:18:08 -04:00
N.Connect(modifier, n, "ModifyDown");
2021-05-11 06:26:18 -04:00
N.Step(n, "Hierarchy").length == 0 ? leaves.push(n) : null;
2021-05-08 07:03:41 -04:00
};
2021-05-11 23:18:08 -04:00
let gatherOut = n => N.Connect(modifier, n, "ModifyOut");
2021-05-08 07:03:41 -04:00
2021-05-09 14:19:13 -04:00
N.Walk(gatherUp, inNode, "Hierarchy", false);
2021-05-12 07:17:08 -04:00
N.Connect(modifier, inNode, "ModifyAt");
2021-05-09 14:19:13 -04:00
N.Walk(gatherDown, inNode, "Hierarchy");
leaves.forEach(leaf=>N.Walk(gatherOut, leaf, "Hierarchy", false));
2021-05-11 23:18:08 -04:00
return modifier;
2021-05-09 20:26:40 -04:00
},
Unmodify(inNode)
2021-05-09 14:19:13 -04:00
{
2021-05-09 20:26:40 -04:00
N.Disconnect(inNode, null, "ModifyUp");
N.Disconnect(inNode, null, "ModifyDown");
N.Disconnect(inNode, null, "ModifyOut");
2021-05-09 14:19:13 -04:00
}
};
2021-05-09 20:26:40 -04:00
</script>
2021-05-09 14:19:13 -04:00
2021-05-09 20:26:40 -04:00
<script type="module">
2021-05-09 14:19:13 -04:00
2021-05-11 06:26:18 -04:00
import {h, render, createContext} from 'https://cdn.skypack.dev/preact';
import {useReducer} from 'https://cdn.skypack.dev/preact/hooks';
import { css, cx } from 'https://cdn.skypack.dev/@emotion/css';
2021-05-09 14:19:13 -04:00
2021-05-11 06:26:18 -04:00
Pivot.Init([
2021-05-08 13:51:19 -04:00
["#1", "a", "long", 1],
["#2", "b", "long", 2],
["#3", "b", "short", 2],
["#4", "a", "long", 3],
["#5", "b", "short", 1],
["#6", "a", "short", 0],
["#7", "b", "short", 7],
2021-05-08 13:21:43 -04:00
]);
2021-05-09 20:26:40 -04:00
let pivotRoot1 = Pivot.Create([1, 2], [3]);
let pivotRoot2 = Pivot.Create([2, 1], [3]);
2021-05-08 15:32:40 -04:00
let pivots = [pivotRoot1, pivotRoot2];
2021-05-08 13:21:43 -04:00
2021-05-11 23:18:08 -04:00
let select = N.Path([0, 1], pivotRoot1, "Hierarchy");
let mod = Pivot.Modify(select);
2021-05-11 06:26:18 -04:00
let Store = createContext(null);
let StoreState =
{
count:7
};
let StoreReducer = (inState, inAction) =>
{
2021-05-11 23:18:08 -04:00
};
2021-05-11 06:26:18 -04:00
2021-05-12 07:17:08 -04:00
let ElNode = ({node, depth}) =>
2021-05-08 13:51:19 -04:00
{
2021-05-12 07:17:08 -04:00
var color;
2021-05-09 14:19:13 -04:00
2021-05-12 07:17:08 -04:00
if(N.Step(node, "ModifyDown"))
2021-05-11 23:18:08 -04:00
{
2021-05-12 07:17:08 -04:00
color = `yellow`;
2021-05-11 23:18:08 -04:00
}
2021-05-12 07:17:08 -04:00
if(N.Step(node, "ModifyUp"))
2021-05-11 23:18:08 -04:00
{
2021-05-12 07:17:08 -04:00
color = `skyblue`;
2021-05-11 23:18:08 -04:00
}
2021-05-12 07:17:08 -04:00
if(N.Step(node, "ModifyOut"))
2021-05-11 23:18:08 -04:00
{
2021-05-12 07:17:08 -04:00
color = `lightgrey`;
2021-05-11 23:18:08 -04:00
}
2021-05-12 07:17:08 -04:00
if(N.Step(node, "ModifyAt"))
2021-05-08 13:51:19 -04:00
{
2021-05-12 07:17:08 -04:00
color = `red`;
2021-05-08 13:51:19 -04:00
}
2021-05-12 07:17:08 -04:00
let nodeBase = css`
position:relative;
padding:0;
margin:0;
border-top:1px solid lightgrey;
2021-05-12 19:08:52 -04:00
& > .Label
2021-05-12 07:17:08 -04:00
{
display:inline-block;
width:200px;
background:${color};
}
2021-05-12 19:08:52 -04:00
& > .Label::before
2021-05-12 07:17:08 -04:00
{
content:" ";
display:inline-block;
width:${depth*15}px;
}
.Table
2021-05-11 06:26:18 -04:00
{
2021-05-12 07:17:08 -04:00
display:inline-block;
text-align:right;
}
.Cell
{
width:50px;
display:inline-block;
padding:10px;
}
`;
2021-05-09 14:19:13 -04:00
2021-05-12 19:08:52 -04:00
return h("div", {className:"Node"}, [
h("div", {className:cx(css(nodeBase), "Upper")}, [
2021-05-12 07:17:08 -04:00
h("div", {className:"Label"}, (node.Meta.Label || "a node") ),
h("div", {className:"Table"}, (node.Meta.Row || []).map( cell => h("div", {className:"Cell"}, cell)) )
]),
h("div", {className:"Nodes"}, N.Step(node, "Hierarchy").map(child=>h(ElNode, {node:child, depth:depth+1})) )
]);
2021-05-08 13:51:19 -04:00
}
2021-05-08 15:32:40 -04:00
let ElPivot = ({pivot}) =>
{
2021-05-12 07:17:08 -04:00
return h("div", {style:{display:"inline-block", width:"500px"}}, [
h(ElNode, {node:pivot, depth:0})
2021-05-08 15:32:40 -04:00
]);
}
2021-05-08 23:34:54 -04:00
let ElRoot = ({pivots}) =>
2021-05-08 13:51:19 -04:00
{
2021-05-11 06:26:18 -04:00
let [get, set] = useReducer(StoreReducer, StoreState);
return h(Store.Provider, {value:{get, set}}, [
h("div", null, [
h("h3", null, "tree view"),
...pivots.map(pivot=>h(ElPivot, {pivot}))
])
]);
2021-05-08 13:51:19 -04:00
};
2021-05-08 23:34:54 -04:00
render(h(ElRoot, {pivots}, null), document.querySelector("#app"));
2021-05-08 13:51:19 -04:00
2021-05-08 13:21:43 -04:00
</script>