/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
define(['require',
'backbone',
'hbs!tmpl/graph/LineageLayoutView_tmpl',
'collection/VLineageList',
'models/VEntity',
'utils/Utils',
'dagreD3',
'd3-tip',
'utils/Enums',
'utils/UrlLinks',
'jquery-ui'
], function(require, Backbone, LineageLayoutViewtmpl, VLineageList, VEntity, Utils, dagreD3, d3Tip, Enums, UrlLinks) {
'use strict';
var LineageLayoutView = Backbone.Marionette.LayoutView.extend(
/** @lends LineageLayoutView */
{
_viewName: 'LineageLayoutView',
template: LineageLayoutViewtmpl,
/** Layout sub regions */
regions: {},
/** ui selector cache */
ui: {
graph: ".graph"
},
/** ui events hash */
events: function() {
var events = {};
return events;
},
/**
* intialize a new LineageLayoutView Layout
* @constructs
*/
initialize: function(options) {
_.extend(this, _.pick(options, 'guid', 'entityDefCollection'));
this.entityModel = new VEntity();
this.collection = new VLineageList();
this.typeMap = {};
this.asyncFetchCounter = 0;
this.fetchGraphData();
},
onRender: function() {
var that = this;
this.$('.fontLoader').show();
this.$(".resize-graph").resizable({
handles: ' s',
minHeight: 355,
stop: function(event, ui) {
that.$('svg').height(($(this).height() - 5))
},
});
this.g = new dagreD3.graphlib.Graph()
.setGraph({
nodesep: 50,
ranksep: 90,
rankdir: "LR",
marginx: 20,
marginy: 20,
transition: function transition(selection) {
return selection.transition().duration(500);
}
})
.setDefaultEdgeLabel(function() {
return {};
});
},
fetchGraphData: function() {
var that = this;
this.fromToObj = {};
this.collection.getLineage(this.guid, {
skipDefaultError: true,
success: function(data) {
if (data.relations.length) {
that.generateData(data.relations, data.guidEntityMap);
} else {
that.noLineage();
}
},
cust_error: function(model, response) {
that.noLineage();
}
})
},
noLineage: function() {
this.$('.fontLoader').hide();
//this.$('svg').height('100');
this.$('svg').html('<text x="' + (this.$('svg').width() - 150) / 2 + '" y="' + this.$('svg').height() / 2 + '" fill="black">No lineage data found</text>');
},
generateData: function(relations, guidEntityMap) {
var that = this;
function makeNodeObj(relationObj) {
var obj = {};
obj['shape'] = "img";
obj['typeName'] = relationObj.typeName
obj['label'] = relationObj.displayText.trunc(18);
obj['toolTipLabel'] = relationObj.displayText;
obj['id'] = relationObj.guid;
obj['isLineage'] = true;
obj['queryText'] = relationObj.queryText;
if (relationObj.status) {
obj['status'] = relationObj.status;
}
var entityDef = that.entityDefCollection.fullCollection.find({ name: relationObj.typeName });
if (entityDef && entityDef.get('superTypes')) {
obj['isProcess'] = _.contains(entityDef.get('superTypes'), "Process") ? true : false;
}
return obj;
}
_.each(relations, function(obj, index) {
if (!that.fromToObj[obj.fromEntityId]) {
that.fromToObj[obj.fromEntityId] = makeNodeObj(guidEntityMap[obj.fromEntityId]);
that.g.setNode(obj.fromEntityId, that.fromToObj[obj.fromEntityId]);
}
if (!that.fromToObj[obj.toEntityId]) {
that.fromToObj[obj.toEntityId] = makeNodeObj(guidEntityMap[obj.toEntityId]);
that.g.setNode(obj.toEntityId, that.fromToObj[obj.toEntityId]);
}
var styleObj = {
fill: 'none',
stroke: '#8bc152'
}
that.g.setEdge(obj.fromEntityId, obj.toEntityId, { 'arrowhead': "arrowPoint", lineInterpolate: 'basis', "style": "fill:" + styleObj.fill + ";stroke:" + styleObj.stroke + "", 'styleObj': styleObj });
});
if (this.fromToObj[this.guid]) {
this.fromToObj[this.guid]['isLineage'] = false;
this.checkForLineageOrImpactFlag(relations, this.guid);
}
if (this.asyncFetchCounter == 0) {
this.createGraph();
}
},
checkForLineageOrImpactFlag: function(relations, guid) {
var that = this,
nodeFound = _.where(relations, { 'fromEntityId': guid });
if (nodeFound.length) {
_.each(nodeFound, function(node) {
that.fromToObj[node.toEntityId]['isLineage'] = false;
var styleObj = {
fill: 'none',
stroke: '#fb4200'
}
that.g.setEdge(node.fromEntityId, node.toEntityId, { 'arrowhead': "arrowPoint", lineInterpolate: 'basis', "style": "fill:" + styleObj.fill + ";stroke:" + styleObj.stroke + "", 'styleObj': styleObj });
that.checkForLineageOrImpactFlag(relations, node.toEntityId);
});
}
},
createGraph: function() {
var that = this
this.g.nodes().forEach(function(v) {
var node = that.g.node(v);
// Round the corners of the nodes
if (node) {
node.rx = node.ry = 5;
}
});
// Create the renderer
var render = new dagreD3.render();
// Add our custom arrow (a hollow-point)
render.arrows().arrowPoint = function normal(parent, id, edge, type) {
var marker = parent.append("marker")
.attr("id", id)
.attr("viewBox", "0 0 10 10")
.attr("refX", 9)
.attr("refY", 5)
.attr("markerUnits", "strokeWidth")
.attr("markerWidth", 10)
.attr("markerHeight", 8)
.attr("orient", "auto");
var path = marker.append("path")
.attr("d", "M 0 0 L 10 5 L 0 10 z")
.style("stroke-width", 1)
.style("stroke-dasharray", "1,0")
.style("fill", edge.styleObj.stroke)
.style("stroke", edge.styleObj.stroke);
dagreD3.util.applyStyle(path, edge[type + "Style"]);
};
render.shapes().img = function circle(parent, bbox, node) {
//var r = Math.max(bbox.width, bbox.height) / 2,
var shapeSvg = parent.insert("image")
.attr("class", "nodeImage")
.attr("xlink:href", function(d) {
if (node) {
if (node.isProcess) {
if (Enums.entityStateReadOnly[node.status]) {
return '../img/icon-gear-delete.png';
} else if (node.id == that.guid) {
return '../img/icon-gear-active.png';
} else {
return '../img/icon-gear.png';
}
} else {
if (Enums.entityStateReadOnly[node.status]) {
return '../img/icon-table-delete.png';
} else if (node.id == that.guid) {
return '../img/icon-table-active.png';
} else {
return '../img/icon-table.png';
}
}
}
}).attr("x", "-12px")
.attr("y", "-12px")
.attr("width", "24px")
.attr("height", "24px");
node.intersect = function(point) {
//return dagreD3.intersect.circle(node, points, point);
return dagreD3.intersect.circle(node, 13, point);
};
return shapeSvg;
};
// Set up an SVG group so that we can translate the final graph.
var svg = d3.select(this.$("svg")[0]),
svgGroup = svg.append("g");
var zoom = d3.behavior.zoom()
.scaleExtent([0.5, 6])
.on("zoom", zoomed);
function zoomed() {
svgGroup.attr("transform",
"translate(" + zoom.translate() + ")" +
"scale(" + zoom.scale() + ")"
);
}
function interpolateZoom(translate, scale) {
var self = this;
return d3.transition().duration(350).tween("zoom", function() {
var iTranslate = d3.interpolate(zoom.translate(), translate),
iScale = d3.interpolate(zoom.scale(), scale);
return function(t) {
zoom
.scale(iScale(t))
.translate(iTranslate(t));
zoomed();
};
});
}
function zoomClick() {
var clicked = d3.event.target,
direction = 1,
factor = 0.2,
target_zoom = 1,
center = [that.g.graph().width / 2, that.g.graph().height / 2],
extent = zoom.scaleExtent(),
translate = zoom.translate(),
translate0 = [],
l = [],
view = { x: translate[0], y: translate[1], k: zoom.scale() };
d3.event.preventDefault();
direction = (this.id === 'zoom_in') ? 1 : -1;
target_zoom = zoom.scale() * (1 + factor * direction);
if (target_zoom < extent[0] || target_zoom > extent[1]) {
return false;
}
translate0 = [(center[0] - view.x) / view.k, (center[1] - view.y) / view.k];
view.k = target_zoom;
l = [translate0[0] * view.k + view.x, translate0[1] * view.k + view.y];
view.x += center[0] - l[0];
view.y += center[1] - l[1];
interpolateZoom([view.x, view.y], view.k);
}
d3.selectAll('button.zoomButton').on('click', zoomClick);
var tooltip = d3Tip()
.attr('class', 'd3-tip')
.offset([-13, 0])
.html(function(d) {
var value = that.g.node(d);
var htmlStr = "";
if (value.id !== that.guid) {
htmlStr = "<h5 style='text-align: center;'>" + (value.isLineage ? "Lineage" : "Impact") + "</h5>";
}
htmlStr += "<h5 class='text-center'><span style='color:#359f89'>" + value.toolTipLabel + "</span></h5> ";
if (value.typeName) {
htmlStr += "<h5 class='text-center'><span>(" + value.typeName + ")</span></h5> ";
}
if (value.queryText) {
htmlStr += "<h5>Query: <span style='color:#359f89'>" + value.queryText + "</span></h5> ";
}
return htmlStr;
});
svg.call(zoom)
.call(tooltip);
this.$('.fontLoader').hide();
render(svgGroup, this.g);
svg.on("dblclick.zoom", null)
.on("wheel.zoom", null);
//change text postion
svgGroup.selectAll("g.nodes g.label")
.attr("transform", "translate(2,-30)");
svgGroup.selectAll("g.nodes g.node")
.on('mouseenter', function(d) {
tooltip.show(d);
})
.on('dblclick', function(d) {
tooltip.hide(d);
Utils.setUrl({
url: '#!/detailPage/' + d,
mergeBrowserUrl: false,
trigger: true
});
})
.on('mouseleave', function(d) {
tooltip.hide(d);
});
// Center the graph
var initialScale = 1.2;
zoom.translate([(this.$('svg').width() - this.g.graph().width * initialScale) / 2, (this.$('svg').height() - this.g.graph().height * initialScale) / 2])
.scale(initialScale)
.event(svg);
//svg.attr('height', this.g.graph().height * initialScale + 40);
}
});
return LineageLayoutView;
});