// ER diagram description parser
class ErDiags
{
- constructor(description)
+ constructor(description, output, image)
{
this.entities = { };
this.inheritances = [ ];
this.tables = { };
this.mcdParsing(description);
this.mldParsing();
- // Cache SVG graphs returned by server (in addition to server cache = good perfs)
- this.mcdGraph = "";
- this.mldGraph = "";
- this.sqlText = "";
+ this.output = output || "compact";
+ this.image = image || "svg";
}
static CARDINAL(symbol)
name: attr.name,
type: attr.type,
isKey: attr.isKey,
- qualifiers: attr.qualifiers,
};
if (!!attr.qualifiers && !!attr.qualifiers.match(/references/i))
{
Object.assign(newField, {ref: attr.qualifiers.match(/references ([^\s]+)/i)[1]});
- attr.qualifiers = attr.qualifiers.replace(/references [^\s]+/, "");
+ newField.qualifiers = attr.qualifiers.replace(/references [^\s]+/i, "");
}
newTable.push(newField);
});
// DRAWING + GET SQL FROM PARSING
/////////////////////////////////
- static AjaxGet(dotInput, callback)
- {
- let xhr = new XMLHttpRequest();
- xhr.onreadystatechange = function() {
- if (this.readyState == 4 && this.status == 200)
- callback(this.responseText);
- };
- xhr.open("GET", "scripts/getGraphSvg.php?dot=" + encodeURIComponent(dotInput), true);
- xhr.send();
- }
-
// "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);
mcdStyle = mcdStyle || "compact";
- if (this.mcdGraph.length > 0)
- {
- element.innerHTML = this.mcdGraph;
- return;
- }
// Build dot graph input
let mcdDot = 'graph {\n';
mcdDot += 'rankdir="LR";\n';
});
});
mcdDot += '}';
- //console.log(mcdDot);
- ErDiags.AjaxGet(mcdDot, graphSvg => {
- this.mcdGraph = graphSvg;
- element.innerHTML = graphSvg;
- });
+ if (this.output == "graph") //draw graph in element
+ element.innerHTML = "<img src='scripts/getGraph_" + this.image + ".php?dot=" + encodeURIComponent(mcdDot) + "'/>";
+ else //just show dot input
+ element.innerHTML = mcdDot.replace(/</g,"<").replace(/>/g,">");
}
// "Modèle logique des données", from MCD without anomalies
- // TODO: this one should draw links from foreign keys to keys (port=... in <TD>)
drawMld(id)
{
let element = document.getElementById(id);
- if (this.mldGraph.length > 0)
- {
- element.innerHTML = this.mcdGraph;
- return;
- }
// Build dot graph input (assuming foreign keys not already present...)
let mldDot = 'graph {\n';
mldDot += 'rankdir="LR";\n';
mldDot += '</table>>];\n';
});
mldDot += links + '\n';
- mldDot += '}\n';
- //console.log(mldDot);
- ErDiags.AjaxGet(mldDot, graphSvg => {
- this.mldGraph = graphSvg;
- element.innerHTML = graphSvg;
- });
+ mldDot += '}';
+ if (this.output == "graph")
+ element.innerHTML = "<img src='scripts/getGraph_" + this.image + ".php?dot=" + encodeURIComponent(mldDot) + "'/>";
+ else
+ element.innerHTML = mldDot.replace(/</g,"<").replace(/>/g,">");
}
fillSql(id)
{
let element = document.getElementById(id);
- if (this.sqlText.length > 0)
+ if (!!this.sqlText)
{
element.innerHTML = this.sqlText;
return;
});
sqlText += "\n);\n";
});
- //console.log(sqlText);
this.sqlText = sqlText;
element.innerHTML = "<pre><code>" + sqlText + "</code></pre>";
}