MediaWiki: Common.js

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/* Any JavaScript here will be loaded for all users on every page load. */

function getKmaps() {
    var arrKmapsTBH = new Array();
    var arrTables = document.getElementsByTagName("table");
    for (var i in arrTables) {
        if (arrTables[i].className == "kmap km_highlight_8ls") {
            arrKmapsTBH.push(arrTables[i]);
        }
    }
    return arrKmapsTBH;
}

function highlightCells(kmap, i1, j1, i2, j2) {
    for (var i=i1;i<=i2;i=(i+1)%2)
        for (var j=j1;j<=j2;j=(j+1)%4)
            kmap[i][j].style.border = "3px solid red";
}

function highlightKmap(kmapTable) {
    var kmap = new Array();
    for (var i=2;i<4;i++){
        kmapRow = new Array();
        for (var j=2;j<6;j++) {
            kmapRow.push(kmapTable.rows[i].cells[j]);
        }
        kmap.push(kmapRow);
    }

    //check for 8-cell highlight
    var highlight = true;
    for (i in kmap) {
        for (j in kmap[i]) {
            if ((kmap[i][j].innerHTML == "0") || (kmap[i][j].innerHTML == "0\n"))
                highlight = false;
        }
    }
    if (highlight) highlightCells(kmap, 0, 0, 1, 3);

    //check for 4-cell highlight
    for (i in kmap) {
        for (j in kmap[i]) {
            if ((kmap[i][j].innerHTML == "1") || (kmap[i][j].innerHTML == "1\n")) {
                if ((kmap[i][j].borderTopColor == "red") || (kmap[i][j].borderBottomColor == "red"))
                    continue;
                //check row
                highlight = true;
                for (k in kmap[i]) {
                    if ((kmap[i][k].innerHTML == "0") || (kmap[i][k].innerHTML == "0\n"))
                        highlight = false;
                }
                if (highlight) highlightCells(kmap, i, 0, i, 3);
                else {
                    //check forward square
                    highlight = true;
                    if ((kmap[i][(j+1)%4].innerHTML == "0") || (kmap[i][(j+1)%4].innerHTML == "0\n"))
                        highlight = false;
                    if ((kmap[(i+1)%2][j].innerHTML == "0") || (kmap[(i+1)%2][j].innerHTML == "0\n"))
                        highlight = false;
                    if ((kmap[(i+1)%2][(j+1)%4].innerHTML == "0") || (kmap[(i+1)%2][(j+1)%4].innerHTML == "0\n"))
                        highlight = false;
                    if (highlight) highlightCells(kmap, 0, j, 1, (j+1)%4);
                    else if (j > 0) {
                        highlight = true;
                        if ((kmap[i][j-1].innerHTML == "0") || (kmap[i][j-1].innerHTML == "0\n"))
                            highlight = false;
                        if ((kmap[(i+1)%2][j].innerHTML == "0") || (kmap[(i+1)%2][j].innerHTML == "0\n"))
                            highlight = false;
                        if ((kmap[(i+1)%2][j-1].innerHTML == "0") || (kmap[(i+1)%2][j-1].innerHTML == "0\n"))
                            highlight = false;
                        if (highlight) highlightCells(kmap, 0, j, 1, j-1);
                    }
                }
            }
        }
    }
}

function highlight_kmap_0() {
    var kmapTable = document.getElementById("kmap_0");
    var kmap = new Array();
    for (var i=2;i<4;i++){
        kmapRow = new Array();
        for (var j=2;j<6;j++) {
            kmapRow.push(kmapTable.rows[i].cells[j]);
        }
        kmap.push(kmapRow);
    }
    kmap[0][1].style.borderTop = "3px solid red";
    kmap[0][1].style.borderLeft = "3px solid red";
    kmap[1][1].style.borderLeft = "3px solid red";
    kmap[1][1].style.borderBottom = "3px solid red";
    kmap[0][2].style.borderTop = "3px solid red";
    kmap[0][2].style.borderRight = "3px solid red";
    kmap[1][2].style.borderRight = "3px solid red";
    kmap[1][2].style.borderBottom = "3px solid red";
    kmap[0][2].style.borderTop = "3px solid red";
    kmap[0][2].style.borderLeft = "3px solid red";
    kmap[0][2].style.borderBottom = "3px solid red";
    kmap[0][3].style.borderTop = "3px solid red";
    kmap[0][3].style.borderRight = "3px solid red";
    kmap[0][3].style.borderBottom = "3px solid red";
}

addOnloadHook( highlight_kmap_0 );