webglimpse
Version:
Webglimpse is a data visualization library for the web.
215 lines • 33.5 kB
JavaScript
/*
* Copyright (c) 2014, Metron, Inc.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* 3. Neither the name of the copyright holder nor the names of its contributors
* may be used to endorse or promote products derived from this software without
* specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
import { Notification } from './notification';
export function initSplitContainer(container) {
const tilesResized = new Notification();
_initSplitContainer(container, tilesResized);
window.addEventListener('resize', function () {
tilesResized.fire();
});
tilesResized.fire();
return tilesResized;
}
function _initSplitContainer(container, tilesResized) {
let tileA = null;
let tileB = null;
let sep = null;
const children = container.childNodes;
for (let n = 0; n < children.length; n++) {
const child = children[n];
if (child.nodeType === 1 && child.classList) {
const element = child;
if (tileA == null) {
if (element.classList.contains('splitContainerNS') || element.classList.contains('splitContainerEW') || element.classList.contains('splitTile')) {
tileA = element;
}
}
else if (sep == null) {
if (element.classList.contains('splitSep')) {
sep = element;
}
}
else if (tileB == null) {
if (element.classList.contains('splitContainerNS') || element.classList.contains('splitContainerEW') || element.classList.contains('splitTile')) {
tileB = element;
}
}
else {
break;
}
}
}
if (tileA == null) {
throw new Error('Failed to init split-container: could not find first tile');
}
if (sep == null) {
throw new Error('Failed to init split-container: could not find separator');
}
if (tileB == null) {
throw new Error('Failed to init split-container: could not find second tile');
}
if (container.classList.contains('splitContainerNS')) {
_initSplitNS(container, tileA, sep, tileB, tilesResized);
}
else if (container.classList.contains('splitContainerEW')) {
_initSplitEW(container, tileA, sep, tileB, tilesResized);
}
if (tileA.classList.contains('splitContainerNS') || tileA.classList.contains('splitContainerEW')) {
_initSplitContainer(tileA, tilesResized);
}
if (tileB.classList.contains('splitContainerNS') || tileB.classList.contains('splitContainerEW')) {
_initSplitContainer(tileB, tilesResized);
}
}
function _initSplitNS(container, tileA, sep, tileB, tilesResized) {
sep.classList.add('splitSepNS');
sep.style.left = '0px';
sep.style.right = '0px';
tileA.style.left = '0px';
tileA.style.right = '0px';
tileB.style.left = '0px';
tileB.style.right = '0px';
const minHeightA = 1;
const minHeightB = 1;
let recentFracA = null;
function layoutTiles(prelimHeightA) {
const heightSep = sep.getBoundingClientRect().height;
const heightContainer = container.getBoundingClientRect().height;
const heightContent = heightContainer - heightSep;
if (recentFracA == null) {
recentFracA = tileA.getBoundingClientRect().height / heightContent;
}
const keepFracA = (prelimHeightA == null);
if (keepFracA) {
prelimHeightA = Math.round(recentFracA * heightContent);
}
const maxHeightA = heightContainer - heightSep - minHeightB;
const topA = 0;
const heightA = Math.max(minHeightA, Math.min(maxHeightA, prelimHeightA));
tileA.style.top = topA + 'px';
tileA.style.height = heightA + 'px';
const topSep = topA + heightA;
sep.style.top = topSep + 'px';
sep.style.height = heightSep + 'px';
const topB = topSep + heightSep;
const heightB = Math.max(minHeightB, heightContainer - topB);
tileB.style.top = topB + 'px';
tileB.style.height = heightB + 'px';
if (!keepFracA && heightContent >= heightA && heightContent >= (minHeightA + minHeightB)) {
recentFracA = heightA / heightContent;
}
}
let sepGrab = null;
sep.addEventListener('mousedown', function (ev) {
if (ev.button === 0) {
sepGrab = ev.clientY - tileA.getBoundingClientRect().top - tileA.getBoundingClientRect().height;
ev.preventDefault();
}
});
// During a DRAG we want all move events, even ones that occur outside the canvas -- so subscribe to WINDOW's mousemove
window.addEventListener('mousemove', function (ev) {
if (sepGrab != null) {
layoutTiles(ev.clientY - tileA.getBoundingClientRect().top - sepGrab);
tilesResized.fire();
}
});
// The window always gets the mouse-up event at the end of a drag -- even if it occurs outside the browser window
window.addEventListener('mouseup', function (ev) {
if (sepGrab != null && ev.button === 0) {
layoutTiles(ev.clientY - tileA.getBoundingClientRect().top - sepGrab);
tilesResized.fire();
sepGrab = null;
}
});
tilesResized.on(layoutTiles);
}
function _initSplitEW(container, tileA, sep, tileB, tilesResized) {
sep.classList.add('splitSepEW');
sep.style.top = '0px';
sep.style.bottom = '0px';
tileA.style.top = '0px';
tileA.style.bottom = '0px';
tileB.style.top = '0px';
tileB.style.bottom = '0px';
const minWidthA = 1;
const minWidthB = 1;
let recentFracA = null;
function layoutTiles(prelimWidthA) {
const widthSep = sep.getBoundingClientRect().width;
const widthContainer = container.getBoundingClientRect().width;
const widthContent = widthContainer - widthSep;
if (recentFracA == null) {
recentFracA = tileA.getBoundingClientRect().width / widthContent;
}
const keepFracA = (prelimWidthA == null);
if (keepFracA) {
prelimWidthA = Math.round(recentFracA * widthContent);
}
const maxWidthA = widthContainer - widthSep - minWidthB;
const leftA = 0;
const widthA = Math.max(minWidthA, Math.min(maxWidthA, prelimWidthA));
tileA.style.left = leftA + 'px';
tileA.style.width = widthA + 'px';
const leftSep = leftA + widthA;
sep.style.left = leftSep + 'px';
sep.style.width = widthSep + 'px';
const leftB = leftSep + widthSep;
const widthB = Math.max(minWidthB, widthContainer - leftB);
tileB.style.left = leftB + 'px';
tileB.style.width = widthB + 'px';
if (!keepFracA && widthContent >= widthA && widthContent >= (minWidthA + minWidthB)) {
recentFracA = widthA / widthContent;
}
}
let sepGrab = null;
sep.addEventListener('mousedown', function (ev) {
if (ev.button === 0) {
sepGrab = ev.clientX - tileA.getBoundingClientRect().left - tileA.getBoundingClientRect().width;
ev.preventDefault();
}
});
// During a DRAG we want all move events, even ones that occur outside the canvas -- so subscribe to WINDOW's mousemove
window.addEventListener('mousemove', function (ev) {
if (sepGrab != null) {
layoutTiles(ev.clientX - tileA.getBoundingClientRect().left - sepGrab);
tilesResized.fire();
}
});
// The window always gets the mouse-up event at the end of a drag -- even if it occurs outside the browser window
window.addEventListener('mouseup', function (ev) {
if (sepGrab != null && ev.button === 0) {
layoutTiles(ev.clientX - tileA.getBoundingClientRect().left - sepGrab);
tilesResized.fire();
sepGrab = null;
}
});
tilesResized.on(layoutTiles);
}
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* Copyright (c) 2014, Metron, Inc.\r\n * All rights reserved.\r\n *\r\n * Redistribution and use in source and binary forms, with or without modification,\r\n * are permitted provided that the following conditions are met:\r\n *\r\n * 1. 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 { Notification } from './notification';\r\n\r\nexport function initSplitContainer(container: HTMLElement): Notification {\r\n    const tilesResized = new Notification();\r\n\r\n    _initSplitContainer(container, tilesResized);\r\n\r\n    window.addEventListener('resize', function () {\r\n        tilesResized.fire();\r\n    });\r\n    tilesResized.fire();\r\n\r\n    return tilesResized;\r\n}\r\n\r\n\r\n\r\n\r\nfunction _initSplitContainer(container: HTMLElement, tilesResized: Notification) {\r\n    let tileA: HTMLElement = null;\r\n    let tileB: HTMLElement = null;\r\n    let sep: HTMLElement = null;\r\n    const children = container.childNodes;\r\n    for (let n = 0; n < children.length; n++) {\r\n        const child = children[n];\r\n        if (child.nodeType === 1 && (<any>child).classList) {\r\n            const element = <HTMLElement>child;\r\n            if (tileA == null) {\r\n                if (element.classList.contains('splitContainerNS') || element.classList.contains('splitContainerEW') || element.classList.contains('splitTile')) {\r\n                    tileA = element;\r\n                }\r\n            }\r\n            else if (sep == null) {\r\n                if (element.classList.contains('splitSep')) {\r\n                    sep = element;\r\n                }\r\n            }\r\n            else if (tileB == null) {\r\n                if (element.classList.contains('splitContainerNS') || element.classList.contains('splitContainerEW') || element.classList.contains('splitTile')) {\r\n                    tileB = element;\r\n                }\r\n            }\r\n            else {\r\n                break;\r\n            }\r\n        }\r\n    }\r\n    if (tileA == null) {\r\n        throw new Error('Failed to init split-container: could not find first tile');\r\n    }\r\n    if (sep == null) {\r\n        throw new Error('Failed to init split-container: could not find separator');\r\n    }\r\n    if (tileB == null) {\r\n        throw new Error('Failed to init split-container: could not find second tile');\r\n    }\r\n\r\n    if (container.classList.contains('splitContainerNS')) {\r\n        _initSplitNS(container, tileA, sep, tileB, tilesResized);\r\n    }\r\n    else if (container.classList.contains('splitContainerEW')) {\r\n        _initSplitEW(container, tileA, sep, tileB, tilesResized);\r\n    }\r\n\r\n    if (tileA.classList.contains('splitContainerNS') || tileA.classList.contains('splitContainerEW')) {\r\n        _initSplitContainer(tileA, tilesResized);\r\n    }\r\n\r\n    if (tileB.classList.contains('splitContainerNS') || tileB.classList.contains('splitContainerEW')) {\r\n        _initSplitContainer(tileB, tilesResized);\r\n    }\r\n}\r\n\r\n\r\n\r\n\r\nfunction _initSplitNS(container: HTMLElement, tileA: HTMLElement, sep: HTMLElement, tileB: HTMLElement, tilesResized: Notification): void {\r\n    sep.classList.add('splitSepNS');\r\n    sep.style.left = '0px';\r\n    sep.style.right = '0px';\r\n    tileA.style.left = '0px';\r\n    tileA.style.right = '0px';\r\n    tileB.style.left = '0px';\r\n    tileB.style.right = '0px';\r\n\r\n    const minHeightA = 1;\r\n    const minHeightB = 1;\r\n    let recentFracA: number = null;\r\n\r\n    function layoutTiles(prelimHeightA?: number) {\r\n        const heightSep = sep.getBoundingClientRect().height;\r\n        const heightContainer = container.getBoundingClientRect().height;\r\n        const heightContent = heightContainer - heightSep;\r\n        if (recentFracA == null) {\r\n            recentFracA = tileA.getBoundingClientRect().height / heightContent;\r\n        }\r\n\r\n        const keepFracA = (prelimHeightA == null);\r\n        if (keepFracA) {\r\n            prelimHeightA = Math.round(recentFracA * heightContent);\r\n        }\r\n\r\n        const maxHeightA = heightContainer - heightSep - minHeightB;\r\n\r\n        const topA = 0;\r\n        const heightA = Math.max(minHeightA, Math.min(maxHeightA, prelimHeightA));\r\n        tileA.style.top = topA + 'px';\r\n        tileA.style.height = heightA + 'px';\r\n\r\n        const topSep = topA + heightA;\r\n        sep.style.top = topSep + 'px';\r\n        sep.style.height = heightSep + 'px';\r\n\r\n        const topB = topSep + heightSep;\r\n        const heightB = Math.max(minHeightB, heightContainer - topB);\r\n        tileB.style.top = topB + 'px';\r\n        tileB.style.height = heightB + 'px';\r\n\r\n        if (!keepFracA && heightContent >= heightA && heightContent >= (minHeightA + minHeightB)) {\r\n            recentFracA = heightA / heightContent;\r\n        }\r\n    }\r\n\r\n    let sepGrab: number = null;\r\n\r\n    sep.addEventListener('mousedown', function (ev: MouseEvent) {\r\n        if (ev.button === 0) {\r\n            sepGrab = ev.clientY - tileA.getBoundingClientRect().top - tileA.getBoundingClientRect().height;\r\n            ev.preventDefault();\r\n        }\r\n    });\r\n\r\n    // During a DRAG we want all move events, even ones that occur outside the canvas -- so subscribe to WINDOW's mousemove\r\n    window.addEventListener('mousemove', function (ev: MouseEvent) {\r\n        if (sepGrab != null) {\r\n            layoutTiles(ev.clientY - tileA.getBoundingClientRect().top - sepGrab);\r\n            tilesResized.fire();\r\n        }\r\n    });\r\n\r\n    // The window always gets the mouse-up event at the end of a drag -- even if it occurs outside the browser window\r\n    window.addEventListener('mouseup', function (ev: MouseEvent) {\r\n        if (sepGrab != null && ev.button === 0) {\r\n            layoutTiles(ev.clientY - tileA.getBoundingClientRect().top - sepGrab);\r\n            tilesResized.fire();\r\n            sepGrab = null;\r\n        }\r\n    });\r\n\r\n    tilesResized.on(layoutTiles);\r\n}\r\n\r\n\r\n\r\n\r\nfunction _initSplitEW(container: HTMLElement, tileA: HTMLElement, sep: HTMLElement, tileB: HTMLElement, tilesResized: Notification): void {\r\n    sep.classList.add('splitSepEW');\r\n    sep.style.top = '0px';\r\n    sep.style.bottom = '0px';\r\n    tileA.style.top = '0px';\r\n    tileA.style.bottom = '0px';\r\n    tileB.style.top = '0px';\r\n    tileB.style.bottom = '0px';\r\n\r\n    const minWidthA = 1;\r\n    const minWidthB = 1;\r\n    let recentFracA: number = null;\r\n\r\n    function layoutTiles(prelimWidthA?: number) {\r\n        const widthSep = sep.getBoundingClientRect().width;\r\n        const widthContainer = container.getBoundingClientRect().width;\r\n        const widthContent = widthContainer - widthSep;\r\n        if (recentFracA == null) {\r\n            recentFracA = tileA.getBoundingClientRect().width / widthContent;\r\n        }\r\n\r\n        const keepFracA = (prelimWidthA == null);\r\n        if (keepFracA) {\r\n            prelimWidthA = Math.round(recentFracA * widthContent);\r\n        }\r\n\r\n        const maxWidthA = widthContainer - widthSep - minWidthB;\r\n\r\n        const leftA = 0;\r\n        const widthA = Math.max(minWidthA, Math.min(maxWidthA, prelimWidthA));\r\n        tileA.style.left = leftA + 'px';\r\n        tileA.style.width = widthA + 'px';\r\n\r\n        const leftSep = leftA + widthA;\r\n        sep.style.left = leftSep + 'px';\r\n        sep.style.width = widthSep + 'px';\r\n\r\n        const leftB = leftSep + widthSep;\r\n        const widthB = Math.max(minWidthB, widthContainer - leftB);\r\n        tileB.style.left = leftB + 'px';\r\n        tileB.style.width = widthB + 'px';\r\n\r\n        if (!keepFracA && widthContent >= widthA && widthContent >= (minWidthA + minWidthB)) {\r\n            recentFracA = widthA / widthContent;\r\n        }\r\n    }\r\n\r\n    let sepGrab: number = null;\r\n\r\n    sep.addEventListener('mousedown', function (ev: MouseEvent) {\r\n        if (ev.button === 0) {\r\n            sepGrab = ev.clientX - tileA.getBoundingClientRect().left - tileA.getBoundingClientRect().width;\r\n            ev.preventDefault();\r\n        }\r\n    });\r\n\r\n    // During a DRAG we want all move events, even ones that occur outside the canvas -- so subscribe to WINDOW's mousemove\r\n    window.addEventListener('mousemove', function (ev: MouseEvent) {\r\n        if (sepGrab != null) {\r\n            layoutTiles(ev.clientX - tileA.getBoundingClientRect().left - sepGrab);\r\n            tilesResized.fire();\r\n        }\r\n    });\r\n\r\n    // The window always gets the mouse-up event at the end of a drag -- even if it occurs outside the browser window\r\n    window.addEventListener('mouseup', function (ev: MouseEvent) {\r\n        if (sepGrab != null && ev.button === 0) {\r\n            layoutTiles(ev.clientX - tileA.getBoundingClientRect().left - sepGrab);\r\n            tilesResized.fire();\r\n            sepGrab = null;\r\n        }\r\n    });\r\n\r\n    tilesResized.on(layoutTiles);\r\n}\r\n\r\n\r\n\r\n"]}