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author | 2017-09-01 11:57:47 +0800 | |
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committer | 2017-09-01 11:57:58 +0800 | |
commit | 57dbba269d19bc59fad89160200bb2dbcccb9003 (patch) | |
tree | d466041ceffa2161124ca79a48b3e077777c74b8 /usecaseui-common/src/main/webapp/app/fusion/external/d3/js/models/legend.js | |
parent | 4ff32341a0af1972b44a7410e76e9b231131e7ab (diff) |
Upload Monitor function code
Change-Id: I33ad76221b4cb771a298ff240245fc24be664efb
Issue-Id: USECASEUI-6
Signed-off-by: shentao <shentao@chinamobile.com>
Diffstat (limited to 'usecaseui-common/src/main/webapp/app/fusion/external/d3/js/models/legend.js')
-rw-r--r-- | usecaseui-common/src/main/webapp/app/fusion/external/d3/js/models/legend.js | 270 |
1 files changed, 270 insertions, 0 deletions
diff --git a/usecaseui-common/src/main/webapp/app/fusion/external/d3/js/models/legend.js b/usecaseui-common/src/main/webapp/app/fusion/external/d3/js/models/legend.js new file mode 100644 index 00000000..21f9f9a4 --- /dev/null +++ b/usecaseui-common/src/main/webapp/app/fusion/external/d3/js/models/legend.js @@ -0,0 +1,270 @@ +nv.models.legend = function() { + "use strict"; + //============================================================ + // Public Variables with Default Settings + //------------------------------------------------------------ + + var margin = {top: 5, right: 0, bottom: 5, left: 0} + , width = 400 + , height = 20 + , getKey = function(d) { return d.key } + , color = nv.utils.defaultColor() + , align = true + , rightAlign = true + , updateState = true //If true, legend will update data.disabled and trigger a 'stateChange' dispatch. + , radioButtonMode = false //If true, clicking legend items will cause it to behave like a radio button. (only one can be selected at a time) + , dispatch = d3.dispatch('legendClick', 'legendDblclick', 'legendMouseover', 'legendMouseout', 'stateChange') + ; + + //============================================================ + + + function chart(selection) { + selection.each(function(data) { + var availableWidth = width - margin.left - margin.right, + container = d3.select(this); + + + //------------------------------------------------------------ + // Setup containers and skeleton of chart + + var wrap = container.selectAll('g.nv-legend').data([data]); + var gEnter = wrap.enter().append('g').attr('class', 'nvd3 nv-legend').append('g'); + var g = wrap.select('g'); + + wrap.attr('transform', 'translate(' + margin.left + ',' + margin.top + ')'); + + //------------------------------------------------------------ + + + var series = g.selectAll('.nv-series') + .data(function(d) { return d }); + var seriesEnter = series.enter().append('g').attr('class', 'nv-series') + .on('mouseover', function(d,i) { + dispatch.legendMouseover(d,i); //TODO: Make consistent with other event objects + }) + .on('mouseout', function(d,i) { + dispatch.legendMouseout(d,i); + }) + .on('click', function(d,i) { + dispatch.legendClick(d,i); + if (updateState) { + if (radioButtonMode) { + //Radio button mode: set every series to disabled, + // and enable the clicked series. + data.forEach(function(series) { series.disabled = true}); + d.disabled = false; + } + else { + d.disabled = !d.disabled; + if (data.every(function(series) { return series.disabled})) { + //the default behavior of NVD3 legends is, if every single series + // is disabled, turn all series' back on. + data.forEach(function(series) { series.disabled = false}); + } + } + dispatch.stateChange({ + disabled: data.map(function(d) { return !!d.disabled }) + }); + } + }) + .on('dblclick', function(d,i) { + dispatch.legendDblclick(d,i); + if (updateState) { + //the default behavior of NVD3 legends, when double clicking one, + // is to set all other series' to false, and make the double clicked series enabled. + data.forEach(function(series) { + series.disabled = true; + }); + d.disabled = false; + dispatch.stateChange({ + disabled: data.map(function(d) { return !!d.disabled }) + }); + } + }); + seriesEnter.append('circle') + .style('stroke-width', 2) + .attr('class','nv-legend-symbol') + .attr('r', 5); + seriesEnter.append('text') + .attr('text-anchor', 'start') + .attr('class','nv-legend-text') + .attr('dy', '.32em') + .attr('dx', '8'); + series.classed('disabled', function(d) { return d.disabled }); + series.exit().remove(); + series.select('circle') + .style('fill', function(d,i) { return d.color || color(d,i)}) + .style('stroke', function(d,i) { return d.color || color(d, i) }); + series.select('text').text(getKey); + + + //TODO: implement fixed-width and max-width options (max-width is especially useful with the align option) + + // NEW ALIGNING CODE, TODO: clean up + if (align) { + + var seriesWidths = []; + series.each(function(d,i) { + var legendText = d3.select(this).select('text'); + var nodeTextLength; + try { + nodeTextLength = legendText.node().getComputedTextLength(); + } + catch(e) { + nodeTextLength = nv.utils.calcApproxTextWidth(legendText); + } + + seriesWidths.push(nodeTextLength + 28); // 28 is ~ the width of the circle plus some padding + }); + + var seriesPerRow = 0; + var legendWidth = 0; + var columnWidths = []; + + while ( legendWidth < availableWidth && seriesPerRow < seriesWidths.length) { + columnWidths[seriesPerRow] = seriesWidths[seriesPerRow]; + legendWidth += seriesWidths[seriesPerRow++]; + } + if (seriesPerRow === 0) seriesPerRow = 1; //minimum of one series per row + + + while ( legendWidth > availableWidth && seriesPerRow > 1 ) { + columnWidths = []; + seriesPerRow--; + + for (var k = 0; k < seriesWidths.length; k++) { + if (seriesWidths[k] > (columnWidths[k % seriesPerRow] || 0) ) + columnWidths[k % seriesPerRow] = seriesWidths[k]; + } + + legendWidth = columnWidths.reduce(function(prev, cur, index, array) { + return prev + cur; + }); + } + + var xPositions = []; + for (var i = 0, curX = 0; i < seriesPerRow; i++) { + xPositions[i] = curX; + curX += columnWidths[i]; + } + + series + .attr('transform', function(d, i) { + return 'translate(' + xPositions[i % seriesPerRow] + ',' + (5 + Math.floor(i / seriesPerRow) * 20) + ')'; + }); + + //position legend as far right as possible within the total width + if (rightAlign) { + g.attr('transform', 'translate(' + (width - margin.right - legendWidth) + ',' + margin.top + ')'); + } + else { + g.attr('transform', 'translate(0' + ',' + margin.top + ')'); + } + + height = margin.top + margin.bottom + (Math.ceil(seriesWidths.length / seriesPerRow) * 20); + + } else { + + var ypos = 5, + newxpos = 5, + maxwidth = 0, + xpos; + series + .attr('transform', function(d, i) { + var length = d3.select(this).select('text').node().getComputedTextLength() + 28; + xpos = newxpos; + + if (width < margin.left + margin.right + xpos + length) { + newxpos = xpos = 5; + ypos += 20; + } + + newxpos += length; + if (newxpos > maxwidth) maxwidth = newxpos; + + return 'translate(' + xpos + ',' + ypos + ')'; + }); + + //position legend as far right as possible within the total width + g.attr('transform', 'translate(' + (width - margin.right - maxwidth) + ',' + margin.top + ')'); + + height = margin.top + margin.bottom + ypos + 15; + + } + + }); + + return chart; + } + + + //============================================================ + // Expose Public Variables + //------------------------------------------------------------ + + chart.dispatch = dispatch; + chart.options = nv.utils.optionsFunc.bind(chart); + + chart.margin = function(_) { + if (!arguments.length) return margin; + margin.top = typeof _.top != 'undefined' ? _.top : margin.top; + margin.right = typeof _.right != 'undefined' ? _.right : margin.right; + margin.bottom = typeof _.bottom != 'undefined' ? _.bottom : margin.bottom; + margin.left = typeof _.left != 'undefined' ? _.left : margin.left; + return chart; + }; + + chart.width = function(_) { + if (!arguments.length) return width; + width = _; + return chart; + }; + + chart.height = function(_) { + if (!arguments.length) return height; + height = _; + return chart; + }; + + chart.key = function(_) { + if (!arguments.length) return getKey; + getKey = _; + return chart; + }; + + chart.color = function(_) { + if (!arguments.length) return color; + color = nv.utils.getColor(_); + return chart; + }; + + chart.align = function(_) { + if (!arguments.length) return align; + align = _; + return chart; + }; + + chart.rightAlign = function(_) { + if (!arguments.length) return rightAlign; + rightAlign = _; + return chart; + }; + + chart.updateState = function(_) { + if (!arguments.length) return updateState; + updateState = _; + return chart; + }; + + chart.radioButtonMode = function(_) { + if (!arguments.length) return radioButtonMode; + radioButtonMode = _; + return chart; + }; + + //============================================================ + + + return chart; +} |