static get TYPES()
{
- // SQLite types without null (TODO: be more general)
+ // SQLite storage classes without null
return ["integer","real","text","blob"];
}
"*": "0,n",
"+": "1,n",
"?": "0,1",
- "1": "1,1"
+ "1": "1,1",
+ "?R": "(0,1)",
+ "1R": "(1,1)",
};
}
{
case '[':
// Entity = { name: { attributes, [weak] } }
- let name = lines[start].match(/\w+/)[0];
+ let name = lines[start].match(/[^\[\]"\s]+/)[0];
let entity = { attributes: this.parseAttributes(lines, start+1, end) };
if (lines[start].charAt(1) == '[')
entity.weak = true;
case '{': //association
// Association = { [name], [attributes], [weak], entities: ArrayOf entity indices }
let relationship = { };
- let nameRes = lines[start].match(/\w+/);
+ let nameRes = lines[start].match(/[^{}"\s]+/);
if (nameRes !== null)
relationship.name = nameRes[0];
if (lines[start].charAt(1) == '{')
let attributes = [];
for (let i=start; i<end; i++)
{
- let field = { name: lines[i].match(/\w+/)[0] };
- if (lines[i].charAt(0) == '#')
+ let field = { };
+ let line = lines[i];
+ if (line.charAt(0) == '#')
+ {
field.isKey = true;
- let parenthesis = lines[i].match(/\((.+)\)/);
+ line = line.slice(1);
+ }
+ field.name = line.match(/[^()"\s]+/)[0];
+ let parenthesis = line.match(/\((.+)\)/);
if (parenthesis !== null)
{
let sqlClues = parenthesis[1];
let qualifiers = sqlClues;
- let firstWord = sqlClues.match(/\w+/)[0];
+ let firstWord = sqlClues.match(/[^\s]+/)[0];
if (ErDiags.TYPES.includes(firstWord))
{
field.type = firstWord;
return inheritance;
}
- // Association (parsed here): { entities: ArrayOf entity names + cardinality, [attributes: ArrayOf {name, [isKey], [type], [qualifiers]}] }
+ // Association (parsed here): {
+ // entities: ArrayOf entity names + cardinality,
+ // [attributes: ArrayOf {name, [isKey], [type], [qualifiers]}]
+ // }
parseAssociation(lines, start, end)
{
let assoce = { };
}
// "Modèle conceptuel des données". TODO: option for graph size
+ // NOTE: randomizing helps to obtain better graphs (sometimes)
drawMcd(id, mcdStyle) //mcdStyle: bubble, or compact
{
let element = document.getElementById(id);
}
// Build dot graph input
let mcdDot = 'graph {\n';
+ mcdDot += 'rankdir="LR";\n';
// Nodes:
- Object.keys(this.entities).forEach( name => {
+ if (mcdStyle == "compact")
+ mcdDot += 'node [shape=plaintext];\n';
+ _.shuffle(Object.keys(this.entities)).forEach( name => {
if (mcdStyle == "bubble")
{
- mcdDot += name + '[shape=rectangle, label="' + name + '"';
+ mcdDot += '"' + name + '" [shape=rectangle, label="' + name + '"';
if (this.entities[name].weak)
mcdDot += ', peripheries=2';
mcdDot += '];\n';
{
this.entities[name].attributes.forEach( a => {
let label = (a.isKey ? '#' : '') + a.name;
- mcdDot += name + '_' + a.name + '[shape=ellipse, label="' + label + '"];\n';
- mcdDot += name + '_' + a.name + ' -- ' + name + ';\n';
+ let attrName = name + '_' + a.name;
+ mcdDot += '"' + attrName + '" [shape=ellipse, label="' + label + '"];\n';
+ if (Math.random() < 0.5)
+ mcdDot += '"' + attrName + '" -- "' + name + '";\n';
+ else
+ mcdDot += '"' + name + '" -- "' + attrName + '";\n';
});
}
}
else
{
- mcdDot += name + '[shape=plaintext, label=<';
+ mcdDot += '"' + name + '" [label=<';
if (this.entities[name].weak)
{
mcdDot += '<table port="name" BORDER="1" ALIGN="LEFT" CELLPADDING="0" CELLSPACING="3" CELLBORDER="0">' +
}
});
// Inheritances:
- this.inheritances.forEach( i => {
- i.children.forEach( c => {
- mcdDot += c + ':name -- ' + i.parent + ':name [len="1.00", dir="forward", arrowhead="vee", style="dashed"];\n';
+ _.shuffle(this.inheritances).forEach( i => {
+ // TODO: node shape = triangle fill yellow. See
+ // https://merise.developpez.com/faq/?page=MCD#CIF-ou-dependance-fonctionnelle-de-A-a-Z
+ // https://merise.developpez.com/faq/?page=MLD#Comment-transformer-un-MCD-en-MLD
+ // https://www.developpez.net/forums/d1088964/general-developpement/alm/modelisation/structure-agregation-l-association-d-association/
+ _.shuffle(i.children).forEach( c => {
+ if (Math.random() < 0.5)
+ mcdDot += '"' + c + '":name -- "' + i.parent;
+ else
+ mcdDot += '"' + i.parent + '":name -- "' + c;
+ mcdDot += '":name [dir="forward", arrowhead="vee", style="dashed"];\n';
});
});
// Relationships:
+ if (mcdStyle == "compact")
+ mcdDot += 'node [shape=rectangle, style=rounded];\n';
let assoceCounter = 0;
- this.associations.forEach( a => {
+ _.shuffle(this.associations).forEach( a => {
let name = !!a.name && a.name.length > 0
? a.name
: '_assoce' + assoceCounter++;
- mcdDot += name + '[shape="diamond", style="filled", color="lightgrey", label="' + (!!a.name ? a.name : '') + '"';
- if (a.weak)
- mcdDot += ', peripheries=2';
- mcdDot += '];\n';
- a.entities.forEach( e => {
- mcdDot += e.name + ':name -- ' + name + '[len="1.00", label="' + ErDiags.CARDINAL[e.card] + '"];\n';
- });
- if (!!a.attributes)
+ if (mcdStyle == "bubble")
{
- a.attributes.forEach( attr => {
- let label = (attr.isKey ? '#' : '') + attr.name;
- mcdDot += name + '_' + attr.name + '[len="1.00", shape=ellipse, label="' + label + '"];\n';
- mcdDot += name + '_' + attr.name + ' -- ' + name + ';\n';
- });
+ mcdDot += '"' + name + '" [shape="diamond", style="filled", color="lightgrey", label="' + name + '"';
+ if (a.weak)
+ mcdDot += ', peripheries=2';
+ mcdDot += '];\n';
+ if (!!a.attributes)
+ {
+ a.attributes.forEach( attr => {
+ let label = (attr.isKey ? '#' : '') + attr.name;
+ mcdDot += '"' + name + '_' + attr.name + '" [shape=ellipse, label="' + label + '"];\n';
+ let attrName = name + '_' + attr.name;
+ if (Math.random() < 0.5)
+ mcdDot += '"' + attrName + '" -- "' + name + '";\n';
+ else
+ mcdDot += '"' + name + '" -- "' + attrName + '";\n';
+ });
+ }
}
+ else
+ {
+ let label = name;
+ if (!!a.attributes)
+ {
+ a.attributes.forEach( attr => {
+ let attrLabel = (attr.isKey ? '#' : '') + attr.name;
+ label += '\\n<' + attrLabel + '>';
+ });
+ }
+ mcdDot += '"' + name + '" [color="lightgrey", label="' + label + '"';
+ if (a.weak)
+ mcdDot += ', peripheries=2';
+ mcdDot += '];\n';
+ }
+ _.shuffle(a.entities).forEach( e => {
+ if (Math.random() < 0.5)
+ mcdDot += '"' + e.name + '":name -- "' + name + '"';
+ else
+ mcdDot += '"' + name + '" -- "' + e.name + '":name';
+ mcdDot += '[label="' + ErDiags.CARDINAL[e.card] + '"];\n';
+ });
});
mcdDot += '}';
- //console.log(mcdDot);
+ console.log(mcdDot);
ErDiags.AjaxGet(mcdDot, graphSvg => {
this.mcdGraph = graphSvg;
element.innerHTML = graphSvg;
- })
+ });
}
// "Modèle logique des données"
+ // TODO: this one should draw links from foreign keys to keys (port=... in <TD>)
drawMld(id)
{
let element = document.getElementById(id);
});
});
// this.graphMld = ...
+ //console.log(mldDot);
+ ErDiags.AjaxGet(mldDot, graphSvg => {
+ this.mldGraph = graphSvg;
+ element.innerHTML = graphSvg;
+ });
}
fillSql(id)
projects / erdiag.git / blobdiff