| import * as zrUtil from 'zrender/src/core/util'; |
| /** |
| * @param {Object} opt {labelInside} |
| * @return {Object} { |
| * position, rotation, labelDirection, labelOffset, |
| * tickDirection, labelRotate, labelInterval, z2 |
| * } |
| */ |
| |
| export function layout(gridModel, axisModel, opt) { |
| opt = opt || {}; |
| var grid = gridModel.coordinateSystem; |
| var axis = axisModel.axis; |
| var layout = {}; |
| var rawAxisPosition = axis.position; |
| var axisPosition = axis.onZero ? 'onZero' : rawAxisPosition; |
| var axisDim = axis.dim; |
| var rect = grid.getRect(); |
| var rectBound = [rect.x, rect.x + rect.width, rect.y, rect.y + rect.height]; |
| var idx = { |
| left: 0, |
| right: 1, |
| top: 0, |
| bottom: 1, |
| onZero: 2 |
| }; |
| var axisOffset = axisModel.get('offset') || 0; |
| var posBound = axisDim === 'x' ? [rectBound[2] - axisOffset, rectBound[3] + axisOffset] : [rectBound[0] - axisOffset, rectBound[1] + axisOffset]; |
| |
| if (axis.onZero) { |
| var otherAxis = grid.getAxis(axisDim === 'x' ? 'y' : 'x', axis.onZeroAxisIndex); |
| var onZeroCoord = otherAxis.toGlobalCoord(otherAxis.dataToCoord(0)); |
| posBound[idx['onZero']] = Math.max(Math.min(onZeroCoord, posBound[1]), posBound[0]); |
| } // Axis position |
| |
| |
| layout.position = [axisDim === 'y' ? posBound[idx[axisPosition]] : rectBound[0], axisDim === 'x' ? posBound[idx[axisPosition]] : rectBound[3]]; // Axis rotation |
| |
| layout.rotation = Math.PI / 2 * (axisDim === 'x' ? 0 : 1); // Tick and label direction, x y is axisDim |
| |
| var dirMap = { |
| top: -1, |
| bottom: 1, |
| left: -1, |
| right: 1 |
| }; |
| layout.labelDirection = layout.tickDirection = layout.nameDirection = dirMap[rawAxisPosition]; |
| layout.labelOffset = axis.onZero ? posBound[idx[rawAxisPosition]] - posBound[idx['onZero']] : 0; |
| |
| if (axisModel.get('axisTick.inside')) { |
| layout.tickDirection = -layout.tickDirection; |
| } |
| |
| if (zrUtil.retrieve(opt.labelInside, axisModel.get('axisLabel.inside'))) { |
| layout.labelDirection = -layout.labelDirection; |
| } // Special label rotation |
| |
| |
| var labelRotate = axisModel.get('axisLabel.rotate'); |
| layout.labelRotate = axisPosition === 'top' ? -labelRotate : labelRotate; // label interval when auto mode. |
| |
| layout.labelInterval = axis.getLabelInterval(); // Over splitLine and splitArea |
| |
| layout.z2 = 1; |
| return layout; |
| } |