| /* |
| * Copyright 2015-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 -- SVG -- Util Service |
| */ |
| |
| /* |
| The SVG Util Service provides a miscellany of utility functions. |
| */ |
| |
| (function () { |
| 'use strict'; |
| |
| // injected references |
| var $log, fs; |
| |
| // TODO: change 'force' ref to be 'force.alpha' ref. |
| function createDragBehavior(force, selectCb, atDragEnd, |
| dragEnabled, clickEnabled) { |
| var draggedThreshold = d3.scale.linear() |
| .domain([0, 0.1]) |
| .range([5, 20]) |
| .clamp(true), |
| drag, |
| fSel = fs.isF(selectCb), |
| fEnd = fs.isF(atDragEnd), |
| fDEn = fs.isF(dragEnabled), |
| fCEn = fs.isF(clickEnabled), |
| bad = []; |
| |
| function naf(what) { |
| return 'SvgUtilService: createDragBehavior(): ' + what + |
| ' is not a function'; |
| } |
| |
| if (!force) { |
| bad.push('SvgUtilService: createDragBehavior(): ' + |
| 'Bad force reference'); |
| } |
| if (!fSel) { |
| bad.push(naf('selectCb')); |
| } |
| if (!fEnd) { |
| bad.push(naf('atDragEnd')); |
| } |
| if (!fDEn) { |
| bad.push(naf('dragEnabled')); |
| } |
| if (!fCEn) { |
| bad.push(naf('clickEnabled')); |
| } |
| |
| if (bad.length) { |
| $log.error(bad.join('\n')); |
| return null; |
| } |
| |
| function dragged(d) { |
| var threshold = draggedThreshold(force.alpha()), |
| dx = d.oldX - d.px, |
| dy = d.oldY - d.py; |
| if (Math.abs(dx) >= threshold || Math.abs(dy) >= threshold) { |
| d.dragged = true; |
| } |
| return d.dragged; |
| } |
| |
| drag = d3.behavior.drag() |
| .origin(function(d) { return d; }) |
| .on('dragstart', function(d) { |
| if (clickEnabled() || dragEnabled()) { |
| d3.event.sourceEvent.stopPropagation(); |
| |
| d.oldX = d.x; |
| d.oldY = d.y; |
| d.dragged = false; |
| d.fixed |= 2; |
| d.dragStarted = true; |
| } |
| }) |
| .on('drag', function(d) { |
| if (dragEnabled()) { |
| d.px = d3.event.x; |
| d.py = d3.event.y; |
| if (dragged(d)) { |
| if (!force.alpha()) { |
| force.alpha(.025); |
| } |
| } |
| } |
| }) |
| .on('dragend', function(d) { |
| d3.event.sourceEvent.preventDefault(); |
| |
| if (d.dragStarted) { |
| d.dragStarted = false; |
| if (!dragged(d)) { |
| // consider this the same as a 'click' |
| // (selection of a node) |
| if (clickEnabled()) { |
| selectCb.call(this, d); |
| } |
| } |
| d.fixed &= ~6; |
| |
| // hook at the end of a drag gesture |
| if (dragEnabled()) { |
| atDragEnd.call(this, d); |
| } |
| } |
| }); |
| |
| return drag; |
| } |
| |
| |
| function loadGlow(defs, r, g, b, id) { |
| var glow = defs.append('filter') |
| .attr('x', '-50%') |
| .attr('y', '-50%') |
| .attr('width', '200%') |
| .attr('height', '200%') |
| .attr('id', id); |
| |
| glow.append('feColorMatrix') |
| .attr('type', 'matrix') |
| .attr('values', |
| '0 0 0 0 ' + r + ' ' + |
| '0 0 0 0 ' + g + ' ' + |
| '0 0 0 0 ' + b + ' ' + |
| '0 0 0 1 0 '); |
| |
| glow.append('feGaussianBlur') |
| .attr('stdDeviation', 3) |
| .attr('result', 'coloredBlur'); |
| |
| glow.append('feMerge').selectAll('feMergeNode') |
| .data(['coloredBlur', 'SourceGraphic']) |
| .enter().append('feMergeNode') |
| .attr('in', String); |
| } |
| |
| function loadGlowDefs(defs) { |
| loadGlow(defs, 0.0, 0.0, 0.7, 'blue-glow'); |
| loadGlow(defs, 1.0, 1.0, 0.3, 'yellow-glow'); |
| } |
| |
| // --- Ordinal scales for 7 values. |
| |
| // Colors per Mojo-Design's color palette.. |
| // blue red dk grey steel lt blue lt red lt grey |
| var lightNorm = ['#5b99d2', '#d05a55', '#716b6b', '#7e9aa8', '#66cef6', '#db7773', '#aeada8' ], |
| lightMute = ['#a8cceb', '#f1a7a7', '#b9b5b5', '#bdcdd5', '#a8e9fd', '#f8c9c9', '#d7d6d4' ], |
| // TODO: dark theme |
| darkNorm = ['#5b99d2', '#d05a55', '#716b6b', '#7e9aa8', '#66cef6', '#db7773', '#aeada8' ], |
| darkMute = ['#a8cceb', '#f1a7a7', '#b9b5b5', '#bdcdd5', '#a8e9fd', '#f8c9c9', '#d7d6d4' ]; |
| |
| var colors= { |
| light: { |
| norm: d3.scale.ordinal().range(lightNorm), |
| mute: d3.scale.ordinal().range(lightMute) |
| }, |
| dark: { |
| norm: d3.scale.ordinal().range(darkNorm), |
| mute: d3.scale.ordinal().range(darkMute) |
| } |
| }; |
| |
| function cat7() { |
| var tcid = 'd3utilTestCard'; |
| |
| function getColor(id, muted, theme) { |
| // NOTE: since we are lazily assigning domain ids, we need to |
| // get the color from all 4 scales, to keep the domains |
| // in sync. |
| var ln = colors.light.norm(id), |
| lm = colors.light.mute(id), |
| dn = colors.dark.norm(id), |
| dm = colors.dark.mute(id); |
| if (theme === 'dark') { |
| return muted ? dm : dn; |
| } else { |
| return muted ? lm : ln; |
| } |
| } |
| |
| function testCard(svg) { |
| var g = svg.select('g#' + tcid), |
| dom = d3.range(7), |
| k, muted, theme, what; |
| |
| if (!g.empty()) { |
| g.remove(); |
| |
| } else { |
| g = svg.append('g') |
| .attr('id', tcid) |
| .attr('transform', 'scale(4)translate(20,20)'); |
| |
| for (k=0; k<4; k++) { |
| muted = k%2; |
| what = muted ? ' muted' : ' normal'; |
| theme = k < 2 ? 'light' : 'dark'; |
| dom.forEach(function (id, i) { |
| var x = i * 20, |
| y = k * 20, |
| f = getColor(id, muted, theme); |
| g.append('circle').attr({ |
| cx: x, |
| cy: y, |
| r: 5, |
| fill: f |
| }); |
| }); |
| g.append('rect').attr({ |
| x: 140, |
| y: k * 20 - 5, |
| width: 32, |
| height: 10, |
| rx: 2, |
| fill: '#888' |
| }); |
| g.append('text').text(theme + what) |
| .attr({ |
| x: 142, |
| y: k * 20 + 2, |
| fill: 'white' |
| }) |
| .style('font-size', '4pt'); |
| } |
| } |
| } |
| |
| return { |
| testCard: testCard, |
| getColor: getColor |
| }; |
| } |
| |
| function translate(x, y) { |
| if (fs.isA(x) && x.length === 2 && !y) { |
| return 'translate(' + x[0] + ',' + x[1] + ')'; |
| } |
| return 'translate(' + x + ',' + y + ')'; |
| } |
| |
| function scale(x, y) { |
| return 'scale(' + x + ',' + y + ')'; |
| } |
| |
| function skewX(x) { |
| return 'skewX(' + x + ')'; |
| } |
| |
| function rotate(deg) { |
| return 'rotate(' + deg + ')'; |
| } |
| |
| function stripPx(s) { |
| return s.replace(/px$/,''); |
| } |
| |
| function safeId(s) { |
| return s.replace(/[^a-z0-9]/gi, '-'); |
| } |
| |
| function makeVisible(el, b) { |
| el.style('visibility', (b ? 'visible' : 'hidden')); |
| } |
| |
| function isVisible(el) { |
| return el.style('visibility') === 'visible'; |
| } |
| |
| function visible(el, x) { |
| if (x === undefined) { |
| return isVisible(el); |
| } else { |
| makeVisible(el, x); |
| } |
| } |
| |
| angular.module('onosSvg') |
| .factory('SvgUtilService', ['$log', 'FnService', |
| function (_$log_, _fs_) { |
| $log = _$log_; |
| fs = _fs_; |
| |
| return { |
| createDragBehavior: createDragBehavior, |
| loadGlowDefs: loadGlowDefs, |
| cat7: cat7, |
| translate: translate, |
| scale: scale, |
| skewX: skewX, |
| rotate: rotate, |
| stripPx: stripPx, |
| safeId: safeId, |
| visible: visible |
| }; |
| }]); |
| }()); |