webglimpse
Version:
Webglimpse is a data visualization library for the web.
92 lines • 16.4 kB
JavaScript
import { Side } from '../misc';
import { hasval } from '../util/util';
export function newTimelineLayout(axisHeight) {
return {
updatePrefSize: function (parentPrefSize, children) {
let topAxis = null;
let bottomAxis = null;
let center = null;
for (let c = 0; c < children.length; c++) {
const child = children[c];
switch (child.layoutArg) {
case Side.TOP:
if (hasval(topAxis)) {
throw new Error('Timeline-layout can have at most one top-axis pane');
}
topAxis = child;
break;
case Side.BOTTOM:
if (hasval(bottomAxis)) {
throw new Error('Timeline-layout can have at most one bottom-axis pane');
}
bottomAxis = child;
break;
default:
if (hasval(center)) {
throw new Error('Timeline-layout can have at most one center pane');
}
center = child;
break;
}
}
let hSum = 0;
if (hasval(topAxis)) {
hSum += axisHeight;
}
if (hasval(bottomAxis)) {
hSum += axisHeight;
}
if (hasval(center)) {
if (hasval(center.prefSize.h)) {
hSum += center.prefSize.h;
}
else {
hSum = null;
}
}
parentPrefSize.w = null;
parentPrefSize.h = hSum;
},
updateChildViewports: function (children, parentViewport) {
let topAxis = null;
let bottomAxis = null;
let center = null;
for (let c = 0; c < children.length; c++) {
const child = children[c];
switch (child.layoutArg) {
case Side.TOP:
if (hasval(topAxis)) {
throw new Error('Timeline-layout can have at most one top-axis pane');
}
topAxis = child;
break;
case Side.BOTTOM:
if (hasval(bottomAxis)) {
throw new Error('Timeline-layout can have at most one bottom-axis pane');
}
bottomAxis = child;
break;
default:
if (hasval(center)) {
throw new Error('Timeline-layout can have at most one center pane');
}
center = child;
break;
}
}
if (hasval(topAxis)) {
topAxis.viewport.setRect(parentViewport.i, parentViewport.jEnd - axisHeight, parentViewport.w, axisHeight);
}
if (hasval(bottomAxis)) {
const jBottomMax = (hasval(topAxis) ? topAxis.viewport.j : parentViewport.jEnd) - axisHeight;
bottomAxis.viewport.setRect(parentViewport.i, Math.min(jBottomMax, parentViewport.j), parentViewport.w, axisHeight);
}
if (hasval(center)) {
const jCenterEnd = (hasval(topAxis) ? topAxis.viewport.jStart : parentViewport.jEnd);
const jCenterStart = (hasval(bottomAxis) ? bottomAxis.viewport.jEnd : parentViewport.jStart);
center.viewport.setEdges(parentViewport.iStart, parentViewport.iEnd, jCenterStart, jCenterEnd);
}
}
};
}
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Redistributions of source code must retain the above copyright notice, this\r\n *    list of conditions and the following disclaimer.\r\n *\r\n * 2. Redistributions in binary form must reproduce the above copyright notice,\r\n *    this list of conditions and the following disclaimer in the documentation\r\n *    and/or other materials provided with the distribution.\r\n *\r\n * 3. Neither the name of the copyright holder nor the names of its contributors\r\n *    may be used to endorse or promote products derived from this software without\r\n *    specific prior written permission.\r\n *\r\n * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS \"AS IS\" AND\r\n * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED\r\n * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE\r\n * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR\r\n * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES\r\n * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;\r\n * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON\r\n * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT\r\n * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS\r\n * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.\r\n */\r\nimport { Layout, LayoutEntry } from '../core';\r\nimport { Size, BoundsUnmodifiable } from '../bounds';\r\nimport { Side } from '../misc';\r\nimport { hasval } from '../util/util';\r\n\r\nexport function newTimelineLayout(axisHeight: number): Layout {\r\n\r\n    return <Layout>{\r\n\r\n        updatePrefSize: <Layout>function (parentPrefSize: Size, children: LayoutEntry[]) {\r\n            let topAxis: LayoutEntry = null;\r\n            let bottomAxis: LayoutEntry = null;\r\n            let center: LayoutEntry = null;\r\n            for (let c = 0; c < children.length; c++) {\r\n                const child = children[c];\r\n                switch (child.layoutArg) {\r\n                    case Side.TOP:\r\n                        if (hasval(topAxis)) {\r\n                            throw new Error('Timeline-layout can have at most one top-axis pane');\r\n                        }\r\n                        topAxis = child;\r\n                        break;\r\n\r\n                    case Side.BOTTOM:\r\n                        if (hasval(bottomAxis)) {\r\n                            throw new Error('Timeline-layout can have at most one bottom-axis pane');\r\n                        }\r\n                        bottomAxis = child;\r\n                        break;\r\n\r\n                    default:\r\n                        if (hasval(center)) {\r\n                            throw new Error('Timeline-layout can have at most one center pane');\r\n                        }\r\n                        center = child;\r\n                        break;\r\n                }\r\n            }\r\n\r\n            let hSum = 0;\r\n\r\n            if (hasval(topAxis)) {\r\n                hSum += axisHeight;\r\n            }\r\n\r\n            if (hasval(bottomAxis)) {\r\n                hSum += axisHeight;\r\n            }\r\n\r\n            if (hasval(center)) {\r\n                if (hasval(center.prefSize.h)) {\r\n                    hSum += center.prefSize.h;\r\n                }\r\n                else {\r\n                    hSum = null;\r\n                }\r\n            }\r\n\r\n            parentPrefSize.w = null;\r\n            parentPrefSize.h = hSum;\r\n        },\r\n\r\n        updateChildViewports: function (children: LayoutEntry[], parentViewport: BoundsUnmodifiable) {\r\n            let topAxis: LayoutEntry = null;\r\n            let bottomAxis: LayoutEntry = null;\r\n            let center: LayoutEntry = null;\r\n            for (let c = 0; c < children.length; c++) {\r\n                const child = children[c];\r\n                switch (child.layoutArg) {\r\n                    case Side.TOP:\r\n                        if (hasval(topAxis)) {\r\n                            throw new Error('Timeline-layout can have at most one top-axis pane');\r\n                        }\r\n                        topAxis = child;\r\n                        break;\r\n\r\n                    case Side.BOTTOM:\r\n                        if (hasval(bottomAxis)) {\r\n                            throw new Error('Timeline-layout can have at most one bottom-axis pane');\r\n                        }\r\n                        bottomAxis = child;\r\n                        break;\r\n\r\n                    default:\r\n                        if (hasval(center)) {\r\n                            throw new Error('Timeline-layout can have at most one center pane');\r\n                        }\r\n                        center = child;\r\n                        break;\r\n                }\r\n            }\r\n\r\n            if (hasval(topAxis)) {\r\n                topAxis.viewport.setRect(parentViewport.i, parentViewport.jEnd - axisHeight, parentViewport.w, axisHeight);\r\n            }\r\n\r\n            if (hasval(bottomAxis)) {\r\n                const jBottomMax = (hasval(topAxis) ? topAxis.viewport.j : parentViewport.jEnd) - axisHeight;\r\n                bottomAxis.viewport.setRect(parentViewport.i, Math.min(jBottomMax, parentViewport.j), parentViewport.w, axisHeight);\r\n            }\r\n\r\n            if (hasval(center)) {\r\n                const jCenterEnd = (hasval(topAxis) ? topAxis.viewport.jStart : parentViewport.jEnd);\r\n                const jCenterStart = (hasval(bottomAxis) ? bottomAxis.viewport.jEnd : parentViewport.jStart);\r\n                center.viewport.setEdges(parentViewport.iStart, parentViewport.iEnd, jCenterStart, jCenterEnd);\r\n            }\r\n        }\r\n\r\n    };\r\n}\r\n\r\n\r\n"]}