test-task-bars.group/index.html at master · drucewihlis/test-task-bars.group · GitHub

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<!DOCTYPE html>
<html>
<head>
    <script type="javascript" src="lpu.json"> </script>
    <title>CRUD App</title>
    <style>
        table
        {
            width: 100%;
            font: 17px Calibri;
        }
        table, th, td
        {
            border: solid 1px #DDD;
            border-collapse: collapse;
            padding: 2px 3px;
            text-align: center;
        }

        input[type='button']
        {
            font: 15px Calibri;
            cursor: pointer;
            border: none;
            color: #FFF;
        }

        input[type='text'], select
        {
            font: 17px Calibri;
            text-align: center;
            border: solid 1px #CCC;
            width: auto;
            padding: 2px 3px;
        }
    </style>
</head>
<body>
    <div id="container" style="width:700px;">
    </div>
</body>

<script type="text/javascript">
    var crudApp = new function () {

        // AN ARRAY OF JSON OBJECTS WITH VALUES.

        this.myHospital = [
            { ID: '1', Full_Name: 'Milner D. V.', Address: 'Tovarishcheskaya str, 30', Phone: '255-55-55' },
            { ID: '2', Full_Name: 'Durov S. P.', Address: 'Popova str., 5', Phone: '234-45-55' },
            { ID: '3', Full_Name: 'Brin A. A.', Address: 'Nazarbaeva str., 19', Phone: '322-35-37' }
            ];

        this.col = [];

        this.createTable = function () {

            // EXTRACT VALUE FOR TABLE HEADER.
            for (var i = 0; i < this.myHospital.length; i++) {
                for (var key in this.myHospital[i]) {
                    if (this.col.indexOf(key) === -1) {
                        this.col.push(key);
                    }
                }
            }

            // CREATE A TABLE.
            var table = document.createElement('table');
            table.setAttribute('id', 'hospitalTable');     // SET TABLE ID.

            var tr = table.insertRow(-1);               // CREATE A ROW (FOR HEADER).

            for (var h = 0; h < this.col.length; h++) {
                // ADD TABLE HEADER.
                var th = document.createElement('th');
                th.innerHTML = this.col[h].replace('_', ' ');
                tr.appendChild(th);
            }

            // ADD ROWS USING JSON DATA.
            for (var i = 0; i < this.myHospital.length; i++) {

                tr = table.insertRow(-1);           // CREATE A NEW ROW.

                for (var j = 0; j < this.col.length; j++) {
                    var tabCell = tr.insertCell(-1);
                    tabCell.innerHTML = this.myHospital[i][this.col[j]];
                }

                // DYNAMICALLY CREATE AND ADD ELEMENTS TO TABLE CELLS WITH EVENTS.

                this.td = document.createElement('td');

                // *** CANCEL OPTION.
                tr.appendChild(this.td);
                var lblCancel = document.createElement('label');
                lblCancel.innerHTML = '✖';
                lblCancel.setAttribute('onclick', 'crudApp.Cancel(this)');
                lblCancel.setAttribute('style', 'display:none;');
                lblCancel.setAttribute('title', 'Cancel');
                lblCancel.setAttribute('id', 'lbl' + i);
                this.td.appendChild(lblCancel);

                // *** SAVE.
                tr.appendChild(this.td);
                var btSave = document.createElement('input');

                btSave.setAttribute('type', 'button');      // SET ATTRIBUTES.
                btSave.setAttribute('value', 'Save');
                btSave.setAttribute('id', 'Save' + i);
                btSave.setAttribute('style', 'display:none;');
                btSave.setAttribute('onclick', 'crudApp.Save(this)');       // ADD THE BUTTON's 'onclick' EVENT.
                this.td.appendChild(btSave);

                // *** UPDATE.
                tr.appendChild(this.td);
                var btUpdate = document.createElement('input');

                btUpdate.setAttribute('type', 'button');    // SET ATTRIBUTES.
                btUpdate.setAttribute('value', 'Update');
                btUpdate.setAttribute('id', 'Edit' + i);
                btUpdate.setAttribute('style', 'background-color:#44CCEB;');
                btUpdate.setAttribute('onclick', 'crudApp.Update(this)');   // ADD THE BUTTON's 'onclick' EVENT.
                this.td.appendChild(btUpdate);

                // *** DELETE.
                this.td = document.createElement('th');
                tr.appendChild(this.td);
                var btDelete = document.createElement('input');
                btDelete.setAttribute('type', 'button');    // SET INPUT ATTRIBUTE.
                btDelete.setAttribute('value', 'Delete');
                btDelete.setAttribute('style', 'background-color:#ED5650;');
                btDelete.setAttribute('onclick', 'crudApp.Delete(this)');   // ADD THE BUTTON's 'onclick' EVENT.
                this.td.appendChild(btDelete);
            }


            // ADD A ROW AT THE END WITH BLANK TEXTBOXES .

            tr = table.insertRow(-1);           // CREATE THE LAST ROW.

            for (var j = 0; j < this.col.length; j++) {
                var newCell = tr.insertCell(-1);
                if (j >= 1) {
                    var tBox = document.createElement('input');          // CREATE AND ADD A TEXTBOX.
                    tBox.setAttribute('type', 'text');
                    tBox.setAttribute('value', '');
                    newCell.appendChild(tBox);
                }
            }

            this.td = document.createElement('td');
            tr.appendChild(this.td);

            var btNew = document.createElement('input');

            btNew.setAttribute('type', 'button');       // SET ATTRIBUTES.
            btNew.setAttribute('value', 'Create');
            btNew.setAttribute('id', 'New' + i);
            btNew.setAttribute('style', 'background-color:#207DD1;');
            btNew.setAttribute('onclick', 'crudApp.CreateNew(this)');       // ADD THE BUTTON's 'onclick' EVENT.
            this.td.appendChild(btNew);

            var div = document.getElementById('container');
            div.innerHTML = '';
            div.appendChild(table);    // ADD THE TABLE TO THE WEB PAGE.
        };

        // ****** OPERATIONS START.

        // CANCEL.
        this.Cancel = function (oButton) {

            // HIDE THIS BUTTON.
            oButton.setAttribute('style', 'display:none; float:none;');

            var activeRow = oButton.parentNode.parentNode.rowIndex;

            // HIDE THE SAVE BUTTON.
            var btSave = document.getElementById('Save' + (activeRow - 1));
            btSave.setAttribute('style', 'display:none;');

            // SHOW THE UPDATE BUTTON AGAIN.
            var btUpdate = document.getElementById('Edit' + (activeRow - 1));
            btUpdate.setAttribute('style', 'display:block; margin:0 auto; background-color:#44CCEB;');

            var tab = document.getElementById('hospitalTable').rows[activeRow];

            for (i = 0; i < this.col.length; i++) {
                var td = tab.getElementsByTagName("td")[i];
                td.innerHTML = this.myHospital[(activeRow - 1)][this.col[i]];
            }
        }


        // EDIT DATA.
        this.Update = function (oButton) {
            var activeRow = oButton.parentNode.parentNode.rowIndex;
            var tab = document.getElementById('hospitalTable').rows[activeRow];

            // SHOW A DROPDOWN LIST WITH A LIST OF CATEGORIES.
            for (i = 1; i < 4; i++) {
                var td = tab.getElementsByTagName("td")[i];
                var ele = document.createElement('input');      // TEXTBOX.
                ele.setAttribute('type', 'text');
                ele.setAttribute('value', td.innerText);
                td.innerText = '';
                td.appendChild(ele);
                }

            var lblCancel = document.getElementById('lbl' + (activeRow - 1));
            lblCancel.setAttribute('style', 'cursor:pointer; display:block; width:20px; float:left; position: absolute;');

            var btSave = document.getElementById('Save' + (activeRow - 1));
            btSave.setAttribute('style', 'display:block; margin-left:30px; float:left; background-color:#2DBF64;');

            // HIDE THIS BUTTON.
            oButton.setAttribute('style', 'display:none;');
        };


        // DELETE DATA.
        this.Delete = function (oButton) {
            var activeRow = oButton.parentNode.parentNode.rowIndex;
            this.myHospital.splice((activeRow - 1), 1);    // DELETE THE ACTIVE ROW.
            this.createTable();                         // REFRESH THE TABLE.
        };

        // SAVE DATA.
        this.Save = function (oButton) {
            var activeRow = oButton.parentNode.parentNode.rowIndex;
            var tab = document.getElementById('hospitalTable').rows[activeRow];

            // UPDATE myHospital ARRAY WITH VALUES.
            for (i = 1; i < this.col.length; i++) {
                var td = tab.getElementsByTagName("td")[i];
                if (td.childNodes[0].getAttribute('type') == 'text' || td.childNodes[0].tagName == 'SELECT') {  // CHECK IF ELEMENT IS A TEXTBOX OR SELECT.
                    this.myHospital[(activeRow - 1)][this.col[i]] = td.childNodes[0].value;      // SAVE THE VALUE.
                }
            }
            this.createTable();     // REFRESH THE TABLE.
        }

        // CREATE NEW.
        this.CreateNew = function (oButton) {
            var activeRow = oButton.parentNode.parentNode.rowIndex;
            var tab = document.getElementById('hospitalTable').rows[activeRow];
            var obj = {};

            // ADD NEW VALUE TO myHospital ARRAY.
            for (i = 1; i < this.col.length; i++) {
                var td = tab.getElementsByTagName("td")[i];
                if (td.childNodes[0].getAttribute('type') == 'text' || td.childNodes[0].tagName == 'SELECT') {      // CHECK IF ELEMENT IS A TEXTBOX OR SELECT.
                    var txtVal = td.childNodes[0].value;
                    if (txtVal != '') {
                        obj[this.col[i]] = txtVal.trim();
                    }
                    else {
                        obj = '';
                        alert('all fields are compulsory');
                        break;
                    }
                }
            }
            obj[this.col[0]] = this.myHospital.length + 1;     // NEW ID.

            if (Object.keys(obj).length > 0) {      // CHECK IF OBJECT IS NOT EMPTY.
                this.myHospital.push(obj);             // PUSH (ADD) DATA TO THE JSON ARRAY.
                this.createTable();                 // REFRESH THE TABLE.
            }
        }

        // ****** OPERATIONS END.
    }

    crudApp.createTable();
</script>
</html>