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FusionCharts Suite XT allows you to customize a drag-node chart at run-time - you can add, edit, or delete connectors in a drag-node chart. Set the chart to edit mode to use this feature (edit mode can be enabled by setting “viewMode: 0” in the chart object).

In this section, you will be shown how you can:

To understand this, the sample chart that we will use looks like this:

FusionCharts will load here..
{ "chart": { "caption": "Railway Map", "xaxisminvalue": "0", "xaxismaxvalue": "100", "yaxisminvalue": "0", "yaxismaxvalue": "100", "is3d": "0", "showformbtn": "0", "viewmode": "0", "showplotborder": "1", "plotborderthickness": "4", "theme": "fint", "showcanvasborder": "1", "canvasborderalpha": "20", "animation": "0" }, "dataset": [ { "data": [ { "id": "01", "label": "Santa Monica", "color": "#ffffff", "x": "16", "y": "54", "radius": "30", "shape": "circle" }, { "id": "02", "label": "Los Angeles", "color": "#ffffff", "x": "27", "y": "54", "radius": "30", "shape": "circle" }, { "id": "03", "label": "Ontario", "color": "#ffffff", "x": "48", "y": "54", "radius": "30", "shape": "circle" }, { "id": "04", "label": "Phoenix", "color": "#ffffff", "x": "85", "y": "54", "radius": "30", "shape": "circle" }, { "id": "05", "label": "Flagstaff", "color": "#ffffff", "x": "85", "y": "80", "radius": "30", "shape": "circle" }, { "id": "06", "label": "Barstow", "color": "#ffffff", "x": "62", "y": "80", "radius": "30", "shape": "circle" }, { "id": "07", "label": "San Diego", "color": "#ffffff", "x": "35", "y": "30", "radius": "30", "shape": "circle" }, { "id": "08", "label": "San Ysidro", "color": "#ffffff", "x": "40", "y": "12", "radius": "30", "shape": "circle" }, { "id": "09", "label": "Las Vegas", "color": "#ffffff", "x": "68", "y": "93", "radius": "30", "shape": "circle" }, { "id": "10", "label": "", "color": "#ffffff", "x": "12", "y": "98", "radius": "0", "shape": "circle" }, { "id": "11", "label": "", "color": "#ffffff", "x": "100", "y": "80", "radius": "0", "shape": "circle" }, { "id": "12", "label": "", "color": "#ffffff", "x": "99", "y": "40", "radius": "0", "shape": "circle" }, { "id": "13", "label": "Yuma", "color": "#ffffff", "x": "70", "y": "30", "radius": "30", "shape": "circle" }, { "id": "14", "label": "", "color": "#ffffff", "x": "100", "y": "30", "radius": "0", "shape": "circle" }, { "x": "25", "y": "25", "id": "MyLoc", "datasetid": "0", "name": "My Edited Location", "tooltext": "My Location", "color": "#FFFFFF", "alpha": "100", "labelalign": "middle", "allowdrag": "1", "shape": "circle", "radius": "45" } ] } ], "connectors": [ { "color": "#ffffff", "stdthickness": "10", "connector": [ { "strength": "2", "from": "01", "to": "02", "color": "#fec110", "arrowatstart": "0", "arrowatend": "0" }, { "strength": "2", "from": "02", "to": "03", "color": "#fec110", "arrowatstart": "0", "arrowatend": "0" }, { "strength": "2", "from": "03", "to": "04", "color": "#fec110", "arrowatstart": "0", "arrowatend": "0" }, { "strength": "2", "from": "04", "to": "12", "color": "#fec110", "arrowatstart": "0", "arrowatend": "0" }, { "strength": "2", "from": "04", "to": "05", "color": "#a6aaad", "arrowatstart": "0", "arrowatend": "0" }, { "strength": "2", "from": "09", "to": "06", "color": "#0178bc", "arrowatstart": "0", "arrowatend": "0" }, { "strength": "2", "from": "06", "to": "03", "color": "#0178bc", "arrowatstart": "0", "arrowatend": "0" }, { "strength": "2", "from": "03", "to": "07", "color": "#0178bc", "arrowatstart": "0", "arrowatend": "0" }, { "strength": "2", "from": "05", "to": "06", "color": "#f1277d", "arrowatstart": "0", "arrowatend": "0" }, { "strength": "2", "from": "06", "to": "11", "color": "#f1277d", "arrowatstart": "0", "arrowatend": "0" }, { "strength": "2", "from": "02", "to": "07", "color": "#c1c733", "arrowatstart": "0", "arrowatend": "0" }, { "strength": "2", "from": "07", "to": "08", "color": "#c1c733", "arrowatstart": "0", "arrowatend": "0" }, { "strength": "2", "from": "02", "to": "10", "color": "#c1c733", "arrowatstart": "0", "arrowatend": "0" }, { "strength": "2", "from": "07", "to": "13", "color": "#6d6e70", "arrowatstart": "0", "arrowatend": "0" }, { "strength": "2", "from": "13", "to": "14", "color": "#6d6e70", "arrowatstart": "0", "arrowatend": "0" } ] } ] }
{
    "chart": {
        "caption": "Railway Map",
        "xaxisminvalue": "0",
        "xaxismaxvalue": "100",
        "yaxisminvalue": "0",
        "yaxismaxvalue": "100",
        "is3d": "0",
        "showformbtn": "0",
        "viewmode": "0",
        "showplotborder": "1",
        "plotborderthickness": "4",
        "theme": "fint",
        "showcanvasborder": "1",
        "canvasborderalpha": "20",
        "animation": "0"
    },
    "dataset": [
        {
            "data": [
                {
                    "id": "01",
                    "label": "Santa Monica",
                    "color": "#ffffff",
                    "x": "16",
                    "y": "54",
                    "radius": "30",
                    "shape": "circle"
                },
                {
                    "id": "02",
                    "label": "Los Angeles",
                    "color": "#ffffff",
                    "x": "27",
                    "y": "54",
                    "radius": "30",
                    "shape": "circle"
                },
                {
                    "id": "03",
                    "label": "Ontario",
                    "color": "#ffffff",
                    "x": "48",
                    "y": "54",
                    "radius": "30",
                    "shape": "circle"
                },
                {
                    "id": "04",
                    "label": "Phoenix",
                    "color": "#ffffff",
                    "x": "85",
                    "y": "54",
                    "radius": "30",
                    "shape": "circle"
                },
                {
                    "id": "05",
                    "label": "Flagstaff",
                    "color": "#ffffff",
                    "x": "85",
                    "y": "80",
                    "radius": "30",
                    "shape": "circle"
                },
                {
                    "id": "06",
                    "label": "Barstow",
                    "color": "#ffffff",
                    "x": "62",
                    "y": "80",
                    "radius": "30",
                    "shape": "circle"
                },
                {
                    "id": "07",
                    "label": "San Diego",
                    "color": "#ffffff",
                    "x": "35",
                    "y": "30",
                    "radius": "30",
                    "shape": "circle"
                },
                {
                    "id": "08",
                    "label": "San Ysidro",
                    "color": "#ffffff",
                    "x": "40",
                    "y": "12",
                    "radius": "30",
                    "shape": "circle"
                },
                {
                    "id": "09",
                    "label": "Las Vegas",
                    "color": "#ffffff",
                    "x": "68",
                    "y": "93",
                    "radius": "30",
                    "shape": "circle"
                },
                {
                    "id": "10",
                    "label": "",
                    "color": "#ffffff",
                    "x": "12",
                    "y": "98",
                    "radius": "0",
                    "shape": "circle"
                },
                {
                    "id": "11",
                    "label": "",
                    "color": "#ffffff",
                    "x": "100",
                    "y": "80",
                    "radius": "0",
                    "shape": "circle"
                },
                {
                    "id": "12",
                    "label": "",
                    "color": "#ffffff",
                    "x": "99",
                    "y": "40",
                    "radius": "0",
                    "shape": "circle"
                },
                {
                    "id": "13",
                    "label": "Yuma",
                    "color": "#ffffff",
                    "x": "70",
                    "y": "30",
                    "radius": "30",
                    "shape": "circle"
                },
                {
                    "id": "14",
                    "label": "",
                    "color": "#ffffff",
                    "x": "100",
                    "y": "30",
                    "radius": "0",
                    "shape": "circle"
                },
                {
                    "x": "25",
                    "y": "25",
                    "id": "MyLoc",
                    "datasetid": "0",
                    "name": "My Edited Location",
                    "tooltext": "My Location",
                    "color": "#FFFFFF",
                    "alpha": "100",
                    "labelalign": "middle",
                    "allowdrag": "1",
                    "shape": "circle",
                    "radius": "45"
                }
            ]
        }
    ],
    "connectors": [
        {
            "color": "#ffffff",
            "stdthickness": "10",
            "connector": [
                {
                    "strength": "2",
                    "from": "01",
                    "to": "02",
                    "color": "#fec110",
                    "arrowatstart": "0",
                    "arrowatend": "0"
                },
                {
                    "strength": "2",
                    "from": "02",
                    "to": "03",
                    "color": "#fec110",
                    "arrowatstart": "0",
                    "arrowatend": "0"
                },
                {
                    "strength": "2",
                    "from": "03",
                    "to": "04",
                    "color": "#fec110",
                    "arrowatstart": "0",
                    "arrowatend": "0"
                },
                {
                    "strength": "2",
                    "from": "04",
                    "to": "12",
                    "color": "#fec110",
                    "arrowatstart": "0",
                    "arrowatend": "0"
                },
                {
                    "strength": "2",
                    "from": "04",
                    "to": "05",
                    "color": "#a6aaad",
                    "arrowatstart": "0",
                    "arrowatend": "0"
                },
                {
                    "strength": "2",
                    "from": "09",
                    "to": "06",
                    "color": "#0178bc",
                    "arrowatstart": "0",
                    "arrowatend": "0"
                },
                {
                    "strength": "2",
                    "from": "06",
                    "to": "03",
                    "color": "#0178bc",
                    "arrowatstart": "0",
                    "arrowatend": "0"
                },
                {
                    "strength": "2",
                    "from": "03",
                    "to": "07",
                    "color": "#0178bc",
                    "arrowatstart": "0",
                    "arrowatend": "0"
                },
                {
                    "strength": "2",
                    "from": "05",
                    "to": "06",
                    "color": "#f1277d",
                    "arrowatstart": "0",
                    "arrowatend": "0"
                },
                {
                    "strength": "2",
                    "from": "06",
                    "to": "11",
                    "color": "#f1277d",
                    "arrowatstart": "0",
                    "arrowatend": "0"
                },
                {
                    "strength": "2",
                    "from": "02",
                    "to": "07",
                    "color": "#c1c733",
                    "arrowatstart": "0",
                    "arrowatend": "0"
                },
                {
                    "strength": "2",
                    "from": "07",
                    "to": "08",
                    "color": "#c1c733",
                    "arrowatstart": "0",
                    "arrowatend": "0"
                },
                {
                    "strength": "2",
                    "from": "02",
                    "to": "10",
                    "color": "#c1c733",
                    "arrowatstart": "0",
                    "arrowatend": "0"
                },
                {
                    "strength": "2",
                    "from": "07",
                    "to": "13",
                    "color": "#6d6e70",
                    "arrowatstart": "0",
                    "arrowatend": "0"
                },
                {
                    "strength": "2",
                    "from": "13",
                    "to": "14",
                    "color": "#6d6e70",
                    "arrowatstart": "0",
                    "arrowatend": "0"
                }
            ]
        }
    ]
}
<html>
<head>
<title>My first chart using FusionCharts Suite XT</title>
<script type="text/javascript" src="http://static.fusioncharts.com/code/latest/fusioncharts.js"></script>
<script type="text/javascript" src="http://static.fusioncharts.com/code/latest/themes/fusioncharts.theme.fint.js?cacheBust=56"></script>
<script type="text/javascript">
  FusionCharts.ready(function(){
    var fusioncharts = new FusionCharts({
    type: 'dragnode',
    renderAt: 'chart-container',
    width: '800',
    height: '600',
    dataFormat: 'json',
    dataSource: {
        "chart": {
            "caption": "Railway Map",
            "xaxisminvalue": "0",
            "xaxismaxvalue": "100",
            "yaxisminvalue": "0",
            "yaxismaxvalue": "100",
            "is3d": "0",
            "showformbtn": "0",
            "viewmode": "0",
            "showplotborder": "1",
            "plotborderthickness": "4",
            "theme": "fint",
            "showcanvasborder": "1",
            "canvasborderalpha": "20",
            "animation": "0"
        },
        "dataset": [{
            "data": [{
                "id": "01",
                "label": "Santa Monica",
                "color": "#ffffff",
                "x": "16",
                "y": "54",
                "radius": "30",
                "shape": "circle"
            }, {
                "id": "02",
                "label": "Los Angeles",
                "color": "#ffffff",
                "x": "27",
                "y": "54",
                "radius": "30",
                "shape": "circle"
            }, {
                "id": "03",
                "label": "Ontario",
                "color": "#ffffff",
                "x": "48",
                "y": "54",
                "radius": "30",
                "shape": "circle"
            }, {
                "id": "04",
                "label": "Phoenix",
                "color": "#ffffff",
                "x": "85",
                "y": "54",
                "radius": "30",
                "shape": "circle"
            }, {
                "id": "05",
                "label": "Flagstaff",
                "color": "#ffffff",
                "x": "85",
                "y": "80",
                "radius": "30",
                "shape": "circle"
            }, {
                "id": "06",
                "label": "Barstow",
                "color": "#ffffff",
                "x": "62",
                "y": "80",
                "radius": "30",
                "shape": "circle"
            }, {
                "id": "07",
                "label": "San Diego",
                "color": "#ffffff",
                "x": "35",
                "y": "30",
                "radius": "30",
                "shape": "circle"
            }, {
                "id": "08",
                "label": "San Ysidro",
                "color": "#ffffff",
                "x": "40",
                "y": "12",
                "radius": "30",
                "shape": "circle"
            }, {
                "id": "09",
                "label": "Las Vegas",
                "color": "#ffffff",
                "x": "68",
                "y": "93",
                "radius": "30",
                "shape": "circle"
            }, {
                "id": "10",
                "label": "",
                "color": "#ffffff",
                "x": "12",
                "y": "98",
                "radius": "0",
                "shape": "circle"
            }, {
                "id": "11",
                "label": "",
                "color": "#ffffff",
                "x": "100",
                "y": "80",
                "radius": "0",
                "shape": "circle"
            }, {
                "id": "12",
                "label": "",
                "color": "#ffffff",
                "x": "99",
                "y": "40",
                "radius": "0",
                "shape": "circle"
            }, {
                "id": "13",
                "label": "Yuma",
                "color": "#ffffff",
                "x": "70",
                "y": "30",
                "radius": "30",
                "shape": "circle"
            }, {
                "id": "14",
                "label": "",
                "color": "#ffffff",
                "x": "100",
                "y": "30",
                "radius": "0",
                "shape": "circle"
            }, {
                "x": "25",
                "y": "25",
                "id": "MyLoc",
                "datasetid": "0",
                "name": "My Edited Location",
                "tooltext": "My Location",
                "color": "#FFFFFF",
                "alpha": "100",
                "labelalign": "middle",
                "allowdrag": "1",
                "shape": "circle",
                "radius": "45"
            }]
        }],
        "connectors": [{
            "color": "#ffffff",
            "stdthickness": "10",
            "connector": [{
                "strength": "2",
                "from": "01",
                "to": "02",
                "color": "#fec110",
                "arrowatstart": "0",
                "arrowatend": "0"
            }, {
                "strength": "2",
                "from": "02",
                "to": "03",
                "color": "#fec110",
                "arrowatstart": "0",
                "arrowatend": "0"
            }, {
                "strength": "2",
                "from": "03",
                "to": "04",
                "color": "#fec110",
                "arrowatstart": "0",
                "arrowatend": "0"
            }, {
                "strength": "2",
                "from": "04",
                "to": "12",
                "color": "#fec110",
                "arrowatstart": "0",
                "arrowatend": "0"
            }, {
                "strength": "2",
                "from": "04",
                "to": "05",
                "color": "#a6aaad",
                "arrowatstart": "0",
                "arrowatend": "0"
            }, {
                "strength": "2",
                "from": "09",
                "to": "06",
                "color": "#0178bc",
                "arrowatstart": "0",
                "arrowatend": "0"
            }, {
                "strength": "2",
                "from": "06",
                "to": "03",
                "color": "#0178bc",
                "arrowatstart": "0",
                "arrowatend": "0"
            }, {
                "strength": "2",
                "from": "03",
                "to": "07",
                "color": "#0178bc",
                "arrowatstart": "0",
                "arrowatend": "0"
            }, {
                "strength": "2",
                "from": "05",
                "to": "06",
                "color": "#f1277d",
                "arrowatstart": "0",
                "arrowatend": "0"
            }, {
                "strength": "2",
                "from": "06",
                "to": "11",
                "color": "#f1277d",
                "arrowatstart": "0",
                "arrowatend": "0"
            }, {
                "strength": "2",
                "from": "02",
                "to": "07",
                "color": "#c1c733",
                "arrowatstart": "0",
                "arrowatend": "0"
            }, {
                "strength": "2",
                "from": "07",
                "to": "08",
                "color": "#c1c733",
                "arrowatstart": "0",
                "arrowatend": "0"
            }, {
                "strength": "2",
                "from": "02",
                "to": "10",
                "color": "#c1c733",
                "arrowatstart": "0",
                "arrowatend": "0"
            }, {
                "strength": "2",
                "from": "07",
                "to": "13",
                "color": "#6d6e70",
                "arrowatstart": "0",
                "arrowatend": "0"
            }, {
                "strength": "2",
                "from": "13",
                "to": "14",
                "color": "#6d6e70",
                "arrowatstart": "0",
                "arrowatend": "0"
            }]
        }]
    }

}
);
    fusioncharts.render();
});
</script>
</head>
<body>
  <div id="chart-container">FusionCharts XT will load here!</div>
</body>
</html>

The above chart shows the US Subway Map and uses drag-able nodes to mark locations on the map.

Adding a Connector at Run-time

In the above chart, the “My Edited Location” node does not have any connectors connecting it to the other nodes on the chart. We will add a connector that will connect this node to the node representing Santa Monica.

To add a connector:

Step 1: From the bottom-left corner of the chart, click the Menu Button button. A menu is rendered.

Step 2: From the menu, select Add a Connector.

Menu

The connector properties dialog box, as seen in the image below, is shown:

Connector Properties Dialog Box

Step 3: In this dialog box, enter the connector information.

Step 4: Click Submit.

Given below is a brief description of the fields in this dialog box:

Field Description

Connect From

It is used to specify the source node for the connector.

Connect To

It is used to specify the destination node for the connector.

Arrow At Start

It is used to specify whether an arrow, pointing towards the source node, will be rendered. Selecting this check box will show the arrow, clearing it will not show it.

Arrow At End

It is used to specify whether an arrow, pointing towards the destination node, will be rendered. Selecting this check box will show the arrow, clearing it will not show it.

Label

It is used to specify the label for the connector. The label will be displayed on the chart.

Node ID

It is used to specify the unique ID of the node to be added.

Color

It is used to specify the hex code of the color that will be used to render the connector.

Alpha

It is used to specify the transparency for the connector. This field takes values between 0 (transparent) and 100 (opaque).

Strength

It is used to specify the strength of the connector. This field takes values between 0 and 2. The value entered here is multiplied by the thickness specified for the connector (using the stdThickness attribute).

Link

It is used to specify the URL to which the user will be redirected if the connector is clicked.

Tooltip

It is used to specify the tool-tip text for the connector.

Dashed

It is used to specify whether the connector will be rendered as a dashed line. Selecting this check box will render the connector as a dashed line, clearing it will render it as a whole line.

Dash Gap

It is used to specify the gap between each dash, if the connector is rendered as a dashed line. This field is visible only when you have selected the Dashed check box.

Dash Length

It is used to specify the length of each dash, if the connector is rendered as a dashed line. This field is visible only when you have selected the Dashed check box.

The image below shows the fields of the dialog box populated for a new connector:

Add Connector Dialog Box

Now, when the Submit button is clicked, the new connector created looks like this:

New Connector

You can define connectors in chart data too. Each connector line is defined in the data of the chart as an object in the connectors array element.

Event Raised

When a new connector is created, a JavaScript event, named connectorAdded, is raised. You can trap and use this event to customize the output according to your requirements.

The code snippet required to trap this event is given below:

chartInstance.addEventListener('connectoradded', function(e, a) {
    //Your code here
});

Editing a Connector at Run-time

For a connector, you can edit all its properties except for the source and destination nodes.

To edit a connector:

Step 1: Press and hold the left mouse button on the connector to be edited. The connector properties dialog box is rendered with the Connect To and Connect From fields disabled.

Step 2: In this dialog box, re-populate the fields you want to edit.

Step 3: Click Submit.

The image below shows the fields of the dialog box re-populated to edit the connector:

Edit Connector Dialog Box

The edited connector looks like this:

Connector After Edit

Event Raised

When a connector is edited, a JavaScript event, named connectorUpdated, is raised. You can trap and use this event to customize the output according to your requirements.

The code snippet required to trap this event is given below:

chartInstance.addEventListener('connectorupdated', function(e, a) {
    //Your code here
});

Deleting a Connector at Run-time

To delete a connector:

Step 1: Press and hold the left mouse button on the connector to delete. The connector properties dialog box appears.

Step 2: From the dialog box, click Delete. The connector is deleted.

Delete Connector

Event Raised

When a connector is deleted, a JavaScript event, named connectorDeleted, is raised. You can trap and use this event to customize the output according to your requirements.

The code snippet required to trap this event is given below:

chartInstance.addEventListener('connectordeleted', function(e, a) {
    //Your code here
});

You can get the latest updated node and connector positions using JavaScript or by submitting the updated positions to a server-side script.

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