blob: 09e6ef0e61faf8906aedd070a24e92bfdaa8d7e1 [file] [log] [blame]
/*
* Copyright 2016-present Open Networking Laboratory
*
* Licensed 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.
*/
/*
ONOS GUI -- Topology Layout Module.
Module that contains the d3.force.layout logic
*/
(function () {
'use strict';
var randomService, ps, sus, is, ts, t2mcs;
var fn;
// Internal state;
var nearDist = 15;
var devIconDim = 36,
labelPad = 5,
textPad = 5,
halfDevIcon = devIconDim / 2;
// note: these are the device icon colors without affinity (no master)
var dColTheme = {
light: {
online: '#444444',
offline: '#cccccc'
},
dark: {
// TODO: theme
online: '#444444',
offline: '#cccccc'
}
};
function devGlyphColor(d) {
var o = this.get('online'),
id = this.get('master'),
otag = o ? 'online' : 'offline';
return o ? sus.cat7().getColor(id, 0, ts.theme()) :
dColTheme[ts.theme()][otag];
}
function positionNode(node, forUpdate) {
var meta = node.get('metaUi'),
x = meta && meta.x,
y = meta && meta.y,
dim = [800, 600],
xy;
// If the device contains explicit LONG/LAT data, use that to position
if (setLongLat(node)) {
// Indicate we want to update cached meta data...
return true;
}
// else if we have [x,y] cached in meta data, use that...
if (x !== undefined && y !== undefined) {
node.fixed = true;
node.px = node.x = x;
node.py = node.y = y;
return;
}
// if this is a node update (not a node add).. skip randomizer
if (forUpdate) {
return;
}
// Note: Placing incoming unpinned nodes at exactly the same point
// (center of the view) causes them to explode outwards when
// the force layout kicks in. So, we spread them out a bit
// initially, to provide a more serene layout convergence.
// Additionally, if the node is a host, we place it near
// the device it is connected to.
function rand() {
return {
x: randomService.randDim(dim[0]),
y: randomService.randDim(dim[1])
};
}
function near(node) {
return {
x: node.x + nearDist + randomService.spread(nearDist),
y: node.y + nearDist + randomService.spread(nearDist)
};
}
function getDevice(cp) {
return rand();
}
xy = (node.class === 'host') ? near(getDevice(node.cp)) : rand();
if (node.class === 'sub-region') {
xy = rand();
node.x = node.px = xy.x;
node.y = node.py = xy.y;
}
angular.extend(node, xy);
}
function setLongLat(el) {
var loc = el.get('location'),
coord;
if (loc && loc.type === 'lnglat') {
if (loc.lat === 0 && loc.lng === 0) {
return false;
}
coord = coordFromLngLat(loc);
el.fixed = true;
el.x = el.px = coord[0];
el.y = el.py = coord[1];
return true;
}
}
function coordFromLngLat(loc) {
var p = t2mcs.projection();
return p ? p([loc.lng, loc.lat]) : [0, 0];
}
angular.module('ovTopo2')
.factory('Topo2NodeModel',
['Topo2Model', 'FnService', 'RandomService', 'Topo2PrefsService',
'SvgUtilService', 'IconService', 'ThemeService',
'Topo2MapConfigService',
function (Model, _fn_, _RandomService_, _ps_, _sus_, _is_, _ts_,
_t2mcs_) {
randomService = _RandomService_;
ts = _ts_;
fn = _fn_;
ps = _ps_;
sus = _sus_;
is = _is_;
t2mcs = _t2mcs_;
return Model.extend({
initialize: function () {
this.set('class', this.nodeType);
this.set('svgClass', this.svgClassName());
this.node = this.createNode();
},
createNode: function () {
this.set('class', this.nodeType);
this.set('svgClass', this.svgClassName());
positionNode(this);
return this;
},
setUpEvents: function () {
var _this = this;
angular.forEach(this.events, function (handler, key) {
_this.el.on(key, _this[handler].bind(_this));
});
},
icon: function () {
return 'unknown';
},
label: function () {
var props = this.get('props'),
id = this.get('id'),
friendlyName = props ? props.name : id,
labels = ['', friendlyName, id],
nli = ps.get('dlbls'),
idx = (nli < labels.length) ? nli : 0;
return labels[idx];
},
trimLabel: function (label) {
return (label && label.trim()) || '';
},
computeLabelWidth: function (el) {
var text = el.select('text'),
box = text.node().getBBox();
return box.width + labelPad * 2;
},
addLabelElements: function (label) {
var rect = this.el.append('rect');
var glythRect = this.el.append('rect')
.attr('y', -halfDevIcon)
.attr('x', -halfDevIcon)
.attr('width', devIconDim)
.attr('height', devIconDim)
.style('fill', devGlyphColor.bind(this));
var text = this.el.append('text').text(label)
.attr('text-anchor', 'left')
.attr('y', '0.3em')
.attr('x', halfDevIcon + labelPad + textPad);
return {
rect: rect,
glythRect: glythRect,
text: text
};
},
labelBox: function (dim, labelWidth) {
var _textPad = (textPad * 2) - labelPad;
if (labelWidth === 0) {
_textPad = 0;
}
return {
x: -dim / 2 - labelPad,
y: -dim / 2 - labelPad,
width: dim + labelWidth + (labelPad * 2) + _textPad,
height: dim + (labelPad * 2)
};
},
iconBox: function (dim, labelWidth) {
return {
x: -dim / 2,
y: -dim / 2,
width: dim + labelWidth,
height: dim
};
},
svgClassName: function () {
return fn.classNames('node',
this.nodeType,
this.get('type'),
{
online: this.get('online')
}
);
},
lngLatFromCoord: function (coord) {
var p = t2mcs.projection();
return p ? p.invert(coord) : [0, 0];
},
update: function () {
this.updateLabel();
},
updateLabel: function () {
var node = this.el,
label = this.trimLabel(this.label()),
labelWidth;
node.select('text').text(label);
labelWidth = label ? this.computeLabelWidth(node) : 0;
node.select('rect')
.transition()
.attr(this.labelBox(devIconDim, labelWidth));
},
onEnter: function (el) {
this.el = d3.select(el);
this.render();
},
render: function () {
var node = this.el,
glyphId = this.icon(this.get('type')),
label = this.trimLabel(this.label()),
glyph, labelWidth;
// Label
var labelElements = this.addLabelElements(label);
labelWidth = label ? this.computeLabelWidth(node) : 0;
labelElements.rect.attr(this.labelBox(devIconDim, labelWidth));
// Icon
glyph = is.addDeviceIcon(node, glyphId, devIconDim);
glyph.attr(this.iconBox(devIconDim, 0));
glyph.style('fill', 'white');
node.attr('transform', sus.translate(-halfDevIcon, -halfDevIcon));
if (this.events) {
this.setUpEvents();
}
}
});
}]
);
})();