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Diffstat (limited to 'framework/src/onos/web/gui/src/main/webapp/app/fw/svg/svgUtil.js')
| -rw-r--r-- | framework/src/onos/web/gui/src/main/webapp/app/fw/svg/svgUtil.js | 311 |
1 files changed, 311 insertions, 0 deletions
diff --git a/framework/src/onos/web/gui/src/main/webapp/app/fw/svg/svgUtil.js b/framework/src/onos/web/gui/src/main/webapp/app/fw/svg/svgUtil.js new file mode 100644 index 00000000..cb67ae83 --- /dev/null +++ b/framework/src/onos/web/gui/src/main/webapp/app/fw/svg/svgUtil.js @@ -0,0 +1,311 @@ +/* + * Copyright 2015 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 $log, fs; + + angular.module('onosSvg') + .factory('SvgUtilService', ['$log', 'FnService', + function (_$log_, _fs_) { + $log = _$log_; + fs = _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) { + 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. + + // blue brown brick red sea green purple dark teal lime + var lightNorm = ['#3E5780', '#78533B', '#CB4D28', '#018D61', '#8A2979', '#006D73', '#56AF00'], + lightMute = ['#A8B8CC', '#CCB3A8', '#FFC2BD', '#96D6BF', '#D19FCE', '#8FCCCA', '#CAEAA4'], + + darkNorm = ['#304860', '#664631', '#A8391B', '#00754B', '#77206D', '#005959', '#428700'], + darkMute = ['#304860', '#664631', '#A8391B', '#00754B', '#77206D', '#005959', '#428700']; + + 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 = get(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'; + } + + return { + createDragBehavior: createDragBehavior, + loadGlowDefs: loadGlowDefs, + cat7: cat7, + translate: translate, + scale: scale, + skewX: skewX, + rotate: rotate, + stripPx: stripPx, + safeId: safeId, + visible: function (el, x) { + if (x === undefined) { + return isVisible(el); + } else { + makeVisible(el, x); + } + } + }; + }]); +}()); |