Javascript マウスでセル(テーブル)を塗る

レンサバ等でPHPファイルを作って以下を貼付ければ実行可能。
データはSQLiteに保存される。

<?php

ini_set("display_errors", "1");
ini_set("error_reporting", E_ALL);

$data = file_get_contents("php://input");
if (strlen($data) > 0){
    
    //$data_array = json_decode($data, true);
    //file_put_contents("log.txt", "value:" . $data_array["rc001001"]["value"] . ", css:" . $data_array["rc001001"]["css"]);

    //file_put_contents("log.txt",$data);
    
    if(file_exists("db.sql")){
        if ($db = sqlite_open("db.sql", 0666, $e)) {
            sqlite_query($db, "DROP TABLE tbl");
            sqlite_query($db, "CREATE TABLE tbl (col)");
            sqlite_query($db, "INSERT INTO tbl (col) VALUES ('$data')");
        } else {
            die($e);
        }     
    }else{
        if ($db = sqlite_open("db.sql", 0666, $e)) {
            sqlite_query($db, "CREATE TABLE tbl (col)");
            sqlite_query($db, "INSERT INTO tbl (col) VALUES ('$data')");
        } else {
            die($e);
        }   
    }

    //header("Content-Type: text/javascript; charset=utf-8");
    //echo $data;
    
    //$result = sqlite_query($db, "SELECT col FROM tbl");
    //var_dump(sqlite_fetch_array($result));
    
    exit();  
}

?>
<html lang="ja">
<head>
    <meta charset="utf-8">
    <style>
        body{
            margin: 0;
        }
        body, input[type="button"]{
            font-size: 11px; font-family: "メイリオ";
        }
        input[type="button"]{
            width: 100px;
            margin: 5px 0 5px 5px;
        }
        #screen{
            width: 100%; height: 100%;
            background-color: blue; opacity: 0.1;
            position: absolute; z-index: 1;
        }
        #container{
            width: 90%; height: 90%;
            overflow: scroll; -webkit-overflow-scrolling: touch;
        }
        table{
            border-collapse: collapse;
        }
        td{
            border: 1px solid #ccc;
            cursor: pointer;
            min-width: 15px; height: 15px;
        }

    </style>
    <script src="http://code.jquery.com/jquery-1.11.1.min.js"></script>
</head>
<body>
<div id="screen"></div>
<div><input type="button" id="s" value="save"><input type="button" id="c" value="cancel"></div>
<div id="container">
    <table>
    <?php
    for($r = 1; $r <= 30; $r++){
        echo "<tr>";
        for($c = 1; $c <= 30; $c++){
            echo '<td class="r' . str_pad($r,3,0,STR_PAD_LEFT) . ' ' . 'c' . str_pad($c,3,0,STR_PAD_LEFT) . '" ';
            echo 'id="' . 'rc' . str_pad($r,3,0,STR_PAD_LEFT) . str_pad($c,3,0,STR_PAD_LEFT) . '">';
            echo '';
            echo '</td>';
        }
        echo "</tr>";
    }
    ?>
    </table>
    <p>
        ctrlを押しながらマウスを動かすと書ける。shiftを押しながらマウスを動かすと消せる。<br>
        セルをクリックするとテキスト入力できる。enterかescかフォーカスを抜くと確定(キャンセル処理はなし)。
    </p>
</div>

<script>

$("input#s").on("click",function(){
    
    $("input#s, input#c").attr("disabled","");
    
    var data = {};
    var id;
    
    for(var r = 1; r <= 30; r++){
        for(var c = 1; c <= 30; c++){
            id = "rc" + ("00" + r).slice(-3) + ("00" + c).slice(-3) + "";
            data[id] = {
                "value": $("#" + id + "").text(),
                "css": $("#" + id + "").css("background-color")
            };
        }
    }
    //contentType: "application/json", dataType: "json", data: JSON.stringify(data),
    $.ajax({
        type: "post", url: "", async: true, dataType: "text", data: JSON.stringify(data),   
        success: function(data){
            //console.log(data);
            alert("OK");
            $("input#s, input#c").attr("disabled", false);
            
            window.location.reload();
            
        },error: function(){
            alert("NG");
            $("input#s, input#c").attr("disabled", false);
        }
    });
    
});

$("input#c").on("click",function(){
    window.location.reload();
});

$("td").on("mousemove",function(i){
    if (i.ctrlKey) {
        $(this).css("background-color","#ccc");
    } else if (i.shiftKey) {
        $(this).css("background-color","white");
    }
});

$("td").on("click", function(i){
    $("<input></input>",{
        "type": "text",
        "value": $(i.target).text(),
        "css": {
            "position": "absolute", "z-index": "1",
            "top": i.pageY, "left": i.pageX
        }
    }).on("keydown", function(k){
            if (k.keyCode === 13 || k.keyCode === 27) {
                $(i.target).text( $(this).val() );
                $(this).remove();
            }
    }).appendTo("body").focus().blur(function(){
        $(i.target).text( $(this).val() );
        $(this).remove();    
    });
});

$(window).on("load",function(){
    $("#screen").hide();
});

</script>
<?php
if(file_exists("db.sql")){
    if ($db = sqlite_open("db.sql", 0666, $e)) {
        $row = sqlite_fetch_array(sqlite_query($db, "SELECT col FROM tbl"));
        echo "<script>";
        echo "var result = $row[0];";
        echo "</script><script>";
        
        echo 'for(var r = 1; r <= 30; r++){
                for(var c = 1; c <= 30; c++){
                    var id = "rc" + ("00" + r).slice(-3) + ("00" + c).slice(-3) + "";
                    $("#" + id + "").css("background-color", result[id].css);
                    $("#" + id + "").text(result[id].value);             
                }
        }';
        echo "</script>";
    }  
}
?>
</body>
</html>

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<?php

ini_set("display_errors", "1");

ini_set("error_reporting", E_ALL);

$data = file_get_contents("php://input");

if (strlen($data) > 0){

//$data_array = json_decode($data, true);

//file_put_contents("log.txt", "value:" . $data_array["rc001001"]["value"] . ", css:" . $data_array["rc001001"]["css"]);

//file_put_contents("log.txt",$data);

if(file_exists("db.sql")){

if ($db = sqlite_open("db.sql", 0666, $e)) {

sqlite_query($db, "DROP TABLE tbl");

sqlite_query($db, "CREATE TABLE tbl (col)");

sqlite_query($db, "INSERT INTO tbl (col) VALUES ('$data')");

} else {

die($e);

}

}else{

if ($db = sqlite_open("db.sql", 0666, $e)) {

sqlite_query($db, "CREATE TABLE tbl (col)");

sqlite_query($db, "INSERT INTO tbl (col) VALUES ('$data')");

} else {

die($e);

}

//header("Content-Type: text/javascript; charset=utf-8");

//echo $data;

//$result = sqlite_query($db, "SELECT col FROM tbl");

//var_dump(sqlite_fetch_array($result));

exit();

}

<head>

<style>

body{

margin: 0;

}

body, input[type="button"]{

font-size: 11px; font-family: "メイリオ";

}

input[type="button"]{

width: 100px;

margin: 5px 0 5px 5px;

}

#screen{

width: 100%; height: 100%;

background-color: blue; opacity: 0.1;

position: absolute; z-index: 1;

}

#container{

width: 90%; height: 90%;

overflow: scroll; -webkit-overflow-scrolling: touch;

}

table{

border-collapse: collapse;

}

td{

border: 1px solid #ccc;

cursor: pointer;

min-width: 15px; height: 15px;

}

</style>

</head>

<body>

<table>

<?php

for($r = 1; $r <= 30; $r++){

echo "<tr>";

for($c = 1; $c <= 30; $c++){

echo '<td class="r' . str_pad($r,3,0,STR_PAD_LEFT) . ' ' . 'c' . str_pad($c,3,0,STR_PAD_LEFT) . '" ';

echo 'id="' . 'rc' . str_pad($r,3,0,STR_PAD_LEFT) . str_pad($c,3,0,STR_PAD_LEFT) . '">';

echo '';

echo '</td>';

}

echo "</tr>";

}

</table>

<p>

ctrlを押しながらマウスを動かすと書ける。shiftを押しながらマウスを動かすと消せる。<br>

セルをクリックするとテキスト入力できる。enterかescかフォーカスを抜くと確定(キャンセル処理はなし)。

</p>

</div>

$("input#s").on("click",function(){

$("input#s, input#c").attr("disabled","");

var data = {};

var id;

for(var r = 1; r <= 30; r++){

for(var c = 1; c <= 30; c++){

id = "rc" + ("00" + r).slice(-3) + ("00" + c).slice(-3) + "";

data[id] = {

"value": $("#" + id + "").text(),

"css": $("#" + id + "").css("background-color")

};

}

//contentType: "application/json", dataType: "json", data: JSON.stringify(data),

$.ajax({

type: "post", url: "", async: true, dataType: "text", data: JSON.stringify(data),

success: function(data){

//console.log(data);

alert("OK");

$("input#s, input#c").attr("disabled", false);

window.location.reload();

},error: function(){

alert("NG");

$("input#s, input#c").attr("disabled", false);

}

});

$("input#c").on("click",function(){

window.location.reload();

});

$("td").on("mousemove",function(i){

if (i.ctrlKey) {

$(this).css("background-color","#ccc");

} else if (i.shiftKey) {

$(this).css("background-color","white");

}

});

$("td").on("click", function(i){

$("<input></input>",{

"type": "text",

"value": $(i.target).text(),

"css": {

"position": "absolute", "z-index": "1",

"top": i.pageY, "left": i.pageX

}

}).on("keydown", function(k){

if (k.keyCode === 13 || k.keyCode === 27) {

$(i.target).text( $(this).val() );

$(this).remove();

}

}).appendTo("body").focus().blur(function(){

$(i.target).text( $(this).val() );

$(this).remove();

});

$(window).on("load",function(){

$("#screen").hide();

});

</script>

<?php

if(file_exists("db.sql")){

if ($db = sqlite_open("db.sql", 0666, $e)) {

$row = sqlite_fetch_array(sqlite_query($db, "SELECT col FROM tbl"));

echo "<script>";

echo "var result = $row[0];";

echo "</script><script>";

echo 'for(var r = 1; r <= 30; r++){

for(var c = 1; c <= 30; c++){

var id = "rc" + ("00" + r).slice(-3) + ("00" + c).slice(-3) + "";

$("#" + id + "").css("background-color", result[id].css);

$("#" + id + "").text(result[id].value);

}

}';

echo "</script>";

}

</body>

</html>