all files / sankey/user-interaction/ tooltip.js

99.53% Statements 210/211
89.86% Branches 124/138
100% Functions 19/19
99.52% Lines 208/209
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define(["require", "exports", "@syncfusion/ej2-svg-base", "../../common/utils/helper", "@syncfusion/ej2-base"], function (require, exports, ej2_svg_base_1, helper_1, ej2_base_1) {
    "use strict";
    Object.defineProperty(exports, "__esModule", { value: true });
    var SankeyTooltip = (function () {
        function SankeyTooltip(sankey) {
            this.sankey = sankey;
            this.wireEvents();
        }
        SankeyTooltip.prototype.wireEvents = function () {
            var sankeyChart = this.sankey;
            Iif (!sankeyChart || sankeyChart.isDestroyed) {
                return;
            }
            var pointerLeaveEvent = ej2_base_1.Browser.isPointer ? 'pointerleave' : 'mouseleave';
            sankeyChart.on(ej2_base_1.Browser.touchMoveEvent, this.handlePointerMove, this);
            sankeyChart.on(ej2_base_1.Browser.touchEndEvent, this.handlePointerUp, this);
            sankeyChart.on(pointerLeaveEvent, this.handlePointerLeave, this);
            sankeyChart.on('click', this.handleChartClick, this);
        };
        SankeyTooltip.prototype.unwireEvents = function () {
            var sankeyChart = this.sankey;
            if (!sankeyChart || sankeyChart.isDestroyed) {
                return;
            }
            var pointerLeaveEvent = ej2_base_1.Browser.isPointer ? 'pointerleave' : 'mouseleave';
            sankeyChart.off(ej2_base_1.Browser.touchMoveEvent, this.handlePointerMove);
            sankeyChart.off(ej2_base_1.Browser.touchEndEvent, this.handlePointerUp);
            sankeyChart.off(pointerLeaveEvent, this.handlePointerLeave);
            sankeyChart.off('click', this.handleChartClick);
        };
        SankeyTooltip.prototype.handlePointerMove = function (event) {
            this.handleMouseMove(event);
        };
        SankeyTooltip.prototype.handleChartClick = function (event) {
            var sankeyChart = this.sankey;
            if (sankeyChart.tooltip.fadeOutMode === 'Click') {
                this.hideTooltip(0);
            }
        };
        SankeyTooltip.prototype.handleMouseMove = function (event) {
            var sankeyChart = this.sankey;
            if (!sankeyChart.tooltip.enable || sankeyChart.disableTrackTooltip) {
                return;
            }
            if (helper_1.withInBounds(sankeyChart.mouseX, sankeyChart.mouseY, sankeyChart.initialClipRect)) {
                this.renderTooltip(false, event);
            }
            else Eif (sankeyChart.tooltip.fadeOutMode === 'Move') {
                this.hideTooltip();
            }
        };
        SankeyTooltip.prototype.showTooltipForElement = function (targetElement, isInitialRender, fallbackPosition) {
            if (isInitialRender === void 0) { isInitialRender = false; }
            clearTimeout(this.tooltipTimer);
            var sankeyChart = this.sankey;
            var tooltipSettings = sankeyChart.tooltip;
            var POINTER_PADDING = 4;
            var location;
            var hitTarget = null;
            if (targetElement) {
                hitTarget = targetElement;
            }
            if (!hitTarget) {
                return this.hideTooltip();
            }
            if (fallbackPosition) {
                location = fallbackPosition;
            }
            else {
                var adjustedX = sankeyChart.mouseX - sankeyChart.initialClipRect.x + (POINTER_PADDING * 2);
                var adjustedY = sankeyChart.mouseY - sankeyChart.initialClipRect.y + POINTER_PADDING;
                location = { x: adjustedX, y: adjustedY };
            }
            var nodeElementIdPrefix = sankeyChart.element.id + "_node_";
            var linkCollectionId = sankeyChart.element.id + "_link_collection";
            var content = '';
            var template = null;
            var tooltipData;
            var isNodeElement = hitTarget.id.indexOf('_node_level_') > -1 && hitTarget instanceof SVGRectElement;
            if (isNodeElement) {
                var nodeId = hitTarget.getAttribute('aria-label');
                var nodeAggregates = this.computeNodeAggregates(nodeId, hitTarget.getAttribute('fill'));
                tooltipData = {
                    name: nodeAggregates.name,
                    value: nodeAggregates.value,
                    inValue: nodeAggregates.inValue,
                    outValue: nodeAggregates.outValue
                };
                template = tooltipSettings.nodeTemplate || null;
                if (template) {
                    if (typeof template === 'string') {
                        content = template
                            .replace(/\${name}/g, tooltipData.name)
                            .replace(/\${value}/g, tooltipData.value.toString())
                            .replace(/\${in}/g, tooltipData.inValue.toString())
                            .replace(/\${out}/g, tooltipData.outValue.toString());
                    }
                    else Eif (typeof template === 'function') {
                        content = template(tooltipData);
                    }
                }
                else {
                    var defaultFormat = tooltipSettings.nodeFormat || '$name : $value';
                    defaultFormat = defaultFormat
                        .replace(/\$\{name\}/g, '$name')
                        .replace(/\$\{value\}/g, '$value')
                        .replace(/\$\{in\}/g, '$in')
                        .replace(/\$\{out\}/g, '$out');
                    content = defaultFormat
                        .replace(/\$name/g, nodeAggregates.name)
                        .replace(/\$value/g, nodeAggregates.value.toString())
                        .replace(/\$in/g, nodeAggregates.inValue.toString())
                        .replace(/\$out/g, nodeAggregates.outValue.toString());
                }
            }
            else if (hitTarget.tagName.toLowerCase() === 'path' &&
                hitTarget.closest("[id=\"" + linkCollectionId + "\"]")) {
                var linkPathElement = hitTarget.closest('path');
                var sourceId = linkPathElement.getAttribute('data-source');
                var targetId = linkPathElement.getAttribute('data-target');
                var valueText = linkPathElement.getAttribute('data-value');
                if (!sourceId || !targetId || valueText == null) {
                    return this.hideTooltip();
                }
                var value = +valueText;
                var sourceAggregates = this.computeNodeAggregates(sourceId);
                var targetAggregates = this.computeNodeAggregates(targetId);
                tooltipData = {
                    start: {
                        name: sourceAggregates.name,
                        value: sourceAggregates.value,
                        in: sourceAggregates.inValue,
                        out: sourceAggregates.outValue
                    },
                    target: {
                        name: targetAggregates.name,
                        value: targetAggregates.value,
                        in: targetAggregates.inValue,
                        out: targetAggregates.outValue
                    },
                    value: value
                };
                template = tooltipSettings.linkTemplate || null;
                if (template) {
                    if (typeof template === 'string') {
                        content = template
                            .replace(/\${start\.name}/g, tooltipData.start.name)
                            .replace(/\${start\.value}/g, tooltipData.start.value.toString())
                            .replace(/\${start\.in}/g, tooltipData.start.in.toString())
                            .replace(/\${start\.out}/g, tooltipData.start.out.toString())
                            .replace(/\${target\.name}/g, tooltipData.target.name)
                            .replace(/\${target\.value}/g, tooltipData.target.value.toString())
                            .replace(/\${target\.in}/g, tooltipData.target.in.toString())
                            .replace(/\${target\.out}/g, tooltipData.target.out.toString())
                            .replace(/\${value}/g, tooltipData.value.toString());
                    }
                    else Eif (typeof template === 'function') {
                        content = template(tooltipData);
                    }
                }
                else {
                    var defaultFormat = tooltipSettings.linkFormat || '$start.name → $target.name : $value';
                    defaultFormat = defaultFormat
                        .replace(/\$\{start\.name\}/g, '$start.name')
                        .replace(/\$\{start\.value\}/g, '$start.value')
                        .replace(/\$\{start\.in\}/g, '$start.in')
                        .replace(/\$\{start\.out\}/g, '$start.out')
                        .replace(/\$\{target\.name\}/g, '$target.name')
                        .replace(/\$\{target\.value\}/g, '$target.value')
                        .replace(/\$\{target\.in\}/g, '$target.in')
                        .replace(/\$\{target\.out\}/g, '$target.out')
                        .replace(/\$\{value\}/g, '$value');
                    content = defaultFormat
                        .replace(/\$start\.name/g, sourceAggregates.name)
                        .replace(/\$start\.value/g, sourceAggregates.value.toString())
                        .replace(/\$start\.in/g, sourceAggregates.inValue.toString())
                        .replace(/\$start\.out/g, sourceAggregates.outValue.toString())
                        .replace(/\$target\.name/g, targetAggregates.name)
                        .replace(/\$target\.value/g, targetAggregates.value.toString())
                        .replace(/\$target\.in/g, targetAggregates.inValue.toString())
                        .replace(/\$target\.out/g, targetAggregates.outValue.toString())
                        .replace(/\$value/g, value.toString());
                }
            }
            else {
                return this.hideTooltip();
            }
            var eventNode = null;
            var eventLink = null;
            if (hitTarget.id.indexOf(nodeElementIdPrefix) === 0) {
                var nodeId = hitTarget.getAttribute('aria-label');
                var matchedNode = null;
                var nodesArray = sankeyChart.nodes;
                for (var i = 0; i < nodesArray.length; i++) {
                    var candidate = nodesArray[i];
                    if (candidate && candidate.id === nodeId) {
                        matchedNode = candidate;
                        break;
                    }
                }
                eventNode = matchedNode;
            }
            else Eif (hitTarget.tagName.toLowerCase() === 'path' && hitTarget.closest("[id=\"" + linkCollectionId + "\"]")) {
                var sourceAttr = hitTarget.getAttribute('data-source');
                var targetAttr = hitTarget.getAttribute('data-target');
                var matchedLink = null;
                var linksArray = sankeyChart.links;
                for (var i = 0; i < linksArray.length; i++) {
                    var candidate = linksArray[i];
                    if (candidate && candidate.sourceId === sourceAttr && candidate.targetId === targetAttr) {
                        matchedLink = candidate;
                        break;
                    }
                }
                eventLink = matchedLink;
            }
            var tooltipRenderArgs = {
                text: content,
                node: eventNode,
                link: eventLink
            };
            sankeyChart.trigger('tooltipRendering', tooltipRenderArgs);
            content = tooltipRenderArgs.text;
            var tooltipContainer = document.getElementById(sankeyChart.element.id + "_tooltip_parent");
            if (!tooltipContainer) {
                tooltipContainer = document.createElement('div');
                tooltipContainer.id = sankeyChart.element.id + "_tooltip_parent";
                tooltipContainer.style.cssText = 'position:absolute; left:0; top:0; pointer-events:none; z-index:100;';
                sankeyChart.element.appendChild(tooltipContainer);
            }
            var tooltipConfig = {
                opacity: tooltipSettings.opacity,
                header: '',
                content: [content],
                fill: tooltipSettings.fill,
                location: location,
                offset: 0,
                enableAnimation: tooltipSettings.enableAnimation,
                shared: false,
                crosshair: false,
                clipBounds: sankeyChart.initialClipRect,
                areaBounds: sankeyChart.initialClipRect,
                template: undefined,
                theme: sankeyChart.theme,
                textStyle: tooltipSettings.textStyle,
                isCanvas: false,
                isFixed: false,
                controlName: 'Sankey',
                enableRTL: sankeyChart.enableRtl,
                arrowPadding: 0,
                availableSize: sankeyChart.availableSize
            };
            if (isInitialRender || !this.svgTooltip) {
                this.svgTooltip = new ej2_svg_base_1.Tooltip(tooltipConfig);
                this.svgTooltip.appendTo(tooltipContainer);
            }
            else {
                for (var key in tooltipConfig) {
                    Eif (Object.prototype.hasOwnProperty.call(tooltipConfig, key)) {
                        (this.svgTooltip)[key] = (tooltipConfig)[key];
                    }
                }
                this.svgTooltip.dataBind();
            }
        };
        SankeyTooltip.prototype.handlePointerUp = function (event) {
            var sankeyChart = this.sankey;
            if (!sankeyChart.tooltip.enable) {
                return;
            }
            if (sankeyChart.isTouch && helper_1.withInBounds(sankeyChart.mouseX, sankeyChart.mouseY, sankeyChart.initialClipRect)) {
                this.renderTooltip(true, event);
                Eif (sankeyChart.tooltip.fadeOutMode === 'Move') {
                    this.hideTooltip(sankeyChart.tooltip.fadeOutDuration);
                }
            }
            else if (sankeyChart.tooltip.fadeOutMode === 'Click') {
                this.hideTooltip(0);
            }
        };
        SankeyTooltip.prototype.resolveInteractiveTarget = function (chartId, startElement) {
            var currentElement = startElement;
            while (currentElement && currentElement !== document.body) {
                var elementId = currentElement.getAttribute('id') || '';
                if (elementId.indexOf('_node_level_') > -1 && currentElement instanceof SVGRectElement) {
                    return { element: currentElement, type: 'node' };
                }
                if (elementId.indexOf('_link_level_') > -1) {
                    var pathElement = currentElement.closest('path');
                    return { element: pathElement || currentElement, type: 'link' };
                }
                if (elementId.indexOf('_label_level_') > -1) {
                    var idParts = elementId.split('_');
                    var level = idParts[idParts.length - 2];
                    var index = idParts[idParts.length - 1];
                    var nodeId = chartId + "_node_level_" + level + "_" + index;
                    var nodeElement = document.getElementById(nodeId);
                    Eif (nodeElement instanceof SVGRectElement) {
                        return { element: nodeElement, type: 'node' };
                    }
                }
                currentElement = currentElement.parentElement;
            }
            return { element: null, type: null };
        };
        SankeyTooltip.prototype.handlePointerLeave = function () {
            this.hideTooltip(this.sankey.tooltip.fadeOutDuration);
        };
        SankeyTooltip.prototype.renderTooltip = function (isInitialRender, event) {
            var targetElement = event.target;
            if (!targetElement) {
                this.hideTooltip();
                return;
            }
            var resolvedElement = this.resolveInteractiveTarget(this.sankey.element.id, targetElement);
            var interactiveElement = resolvedElement.element;
            if (interactiveElement) {
                this.showTooltipForElement(interactiveElement, isInitialRender);
            }
            else {
                this.hideTooltip(this.sankey.tooltip.fadeOutDuration);
            }
        };
        SankeyTooltip.prototype.computeNodeAggregates = function (nodeId, color) {
            var inValue = 0;
            var outValue = 0;
            for (var _i = 0, _a = this.sankey.links; _i < _a.length; _i++) {
                var link = _a[_i];
                if (link.targetId === nodeId) {
                    inValue += link.value;
                }
                if (link.sourceId === nodeId) {
                    outValue += link.value;
                }
            }
            var matchedNode = null;
            var nodesArray = this.sankey.nodes;
            for (var i = 0; i < nodesArray.length; i++) {
                if (nodesArray[i].id === nodeId) {
                    matchedNode = nodesArray[i];
                    break;
                }
            }
            var matchedNodeLayout = this.sankey.nodeLayoutMap[matchedNode && matchedNode.id];
            return {
                id: nodeId,
                name: (matchedNode && matchedNode.label.text) ? matchedNode.label.text : (matchedNodeLayout && matchedNodeLayout.label) ?
                    matchedNodeLayout.label : nodeId,
                inValue: inValue,
                outValue: outValue,
                value: Math.max(inValue, outValue),
                color: color
            };
        };
        SankeyTooltip.prototype.hideTooltip = function (delay) {
            var _this = this;
            if (delay === void 0) { delay = this.sankey.tooltip.fadeOutDuration; }
            clearTimeout(this.tooltipTimer);
            if (this.svgTooltip) {
                this.tooltipTimer = window.setTimeout(function () {
                    Eif (_this.svgTooltip) {
                        _this.svgTooltip.fadeOut();
                    }
                    setTimeout(function () {
                        _this.svgTooltip = null;
                    }, 400);
                }, delay);
            }
        };
        SankeyTooltip.prototype.getModuleName = function () {
            return 'SankeyTooltip';
        };
        SankeyTooltip.prototype.destroy = function () {
            this.unwireEvents();
        };
        return SankeyTooltip;
    }());
    exports.SankeyTooltip = SankeyTooltip;
});