maxGraph/packages/html/stories/Grid.stories.js

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/*
Copyright 2021-present The maxGraph project Contributors
Copyright (c) 2006-2020, JGraph Ltd
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.
*/
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import {
Graph,
InternalEvent,
Finish converting core to ts, JSDoc conversion, consistency+convention changes, example bugfixes (#70) * reorganised directories; removed mx prefix * reduced directory hierarchies; removed mx prefix; type fixes * convert remaining javascript to ts * fix/add types * add type defs * type updates; moved codecs to where they're used * reorganise constants into enums+type additions * removed "Function:" and "Variable:" prefixes from comments, as they aren't needed in JSDoc * removed "Function:", "Variable:" and "Class:" prefixes from comments, as they aren't needed in JSDoc * removed "Function:" prefixes from comments, as they aren't needed in JSDoc * minor changes * convert code example blocks to markdown * module casing updates * converted parameter function documentation to JSDoc * documentation+type updates * removed react subdir (for now) * reorganised various `utils` functions into different files * type updates/bugfixes/workarounds * rename Rubberband and CellEditor to be *Handler to match the other plugins * move codec classes to where they're used to reduce cyclic dependencies * move codec classes to where they're used to reduce cyclic dependencies * type updates/reorganize layout file structure * renamed various files for consistency * import fixes * renamed GraphHandler SelectionHander and various fixes * convert EventObject parameters to objects * add basic better-docs config * update better-docs config * bugfix for shared variables in Graph persisting across instances * fixed accessing handlers in examples; renamed Model to GraphModel * fixed accessing handlers in examples; renamed Model to GraphModel * restored selection model * bugfix * renamed getModel to getDataModel * changed to use graph.batchUpdate() to reduce lines of code * changed to use graph.batchUpdate() to reduce lines of code * finished annotations+added TypeDoc * convert remaining Cell[] instances to CellArray * convert NaturalDocs links to JSDoc
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RubberBandHandler,
MaxLog,
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GraphView,
Point,
Finish converting core to ts, JSDoc conversion, consistency+convention changes, example bugfixes (#70) * reorganised directories; removed mx prefix * reduced directory hierarchies; removed mx prefix; type fixes * convert remaining javascript to ts * fix/add types * add type defs * type updates; moved codecs to where they're used * reorganise constants into enums+type additions * removed "Function:" and "Variable:" prefixes from comments, as they aren't needed in JSDoc * removed "Function:", "Variable:" and "Class:" prefixes from comments, as they aren't needed in JSDoc * removed "Function:" prefixes from comments, as they aren't needed in JSDoc * minor changes * convert code example blocks to markdown * module casing updates * converted parameter function documentation to JSDoc * documentation+type updates * removed react subdir (for now) * reorganised various `utils` functions into different files * type updates/bugfixes/workarounds * rename Rubberband and CellEditor to be *Handler to match the other plugins * move codec classes to where they're used to reduce cyclic dependencies * move codec classes to where they're used to reduce cyclic dependencies * type updates/reorganize layout file structure * renamed various files for consistency * import fixes * renamed GraphHandler SelectionHander and various fixes * convert EventObject parameters to objects * add basic better-docs config * update better-docs config * bugfix for shared variables in Graph persisting across instances * fixed accessing handlers in examples; renamed Model to GraphModel * fixed accessing handlers in examples; renamed Model to GraphModel * restored selection model * bugfix * renamed getModel to getDataModel * changed to use graph.batchUpdate() to reduce lines of code * changed to use graph.batchUpdate() to reduce lines of code * finished annotations+added TypeDoc * convert remaining Cell[] instances to CellArray * convert NaturalDocs links to JSDoc
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DomHelpers,
eventUtils,
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} from '@maxgraph/core';
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import { globalTypes } from '../.storybook/preview';
export default {
title: 'Backgrounds/Grid',
argTypes: {
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...globalTypes,
contextMenu: {
type: 'boolean',
defaultValue: false,
},
rubberBand: {
type: 'boolean',
defaultValue: true,
},
},
};
const Template = ({ label, ...args }) => {
const div = document.createElement('div');
const container = document.createElement('div');
container.style.position = 'relative';
container.style.overflow = 'hidden';
container.style.width = `${args.width}px`;
container.style.height = `${args.height}px`;
container.style.cursor = 'default';
div.appendChild(container);
if (!args.contextMenu) InternalEvent.disableContextMenu(container);
// Creates the graph inside the given container
var graph = new Graph(container);
Finish converting core to ts, JSDoc conversion, consistency+convention changes, example bugfixes (#70) * reorganised directories; removed mx prefix * reduced directory hierarchies; removed mx prefix; type fixes * convert remaining javascript to ts * fix/add types * add type defs * type updates; moved codecs to where they're used * reorganise constants into enums+type additions * removed "Function:" and "Variable:" prefixes from comments, as they aren't needed in JSDoc * removed "Function:", "Variable:" and "Class:" prefixes from comments, as they aren't needed in JSDoc * removed "Function:" prefixes from comments, as they aren't needed in JSDoc * minor changes * convert code example blocks to markdown * module casing updates * converted parameter function documentation to JSDoc * documentation+type updates * removed react subdir (for now) * reorganised various `utils` functions into different files * type updates/bugfixes/workarounds * rename Rubberband and CellEditor to be *Handler to match the other plugins * move codec classes to where they're used to reduce cyclic dependencies * move codec classes to where they're used to reduce cyclic dependencies * type updates/reorganize layout file structure * renamed various files for consistency * import fixes * renamed GraphHandler SelectionHander and various fixes * convert EventObject parameters to objects * add basic better-docs config * update better-docs config * bugfix for shared variables in Graph persisting across instances * fixed accessing handlers in examples; renamed Model to GraphModel * fixed accessing handlers in examples; renamed Model to GraphModel * restored selection model * bugfix * renamed getModel to getDataModel * changed to use graph.batchUpdate() to reduce lines of code * changed to use graph.batchUpdate() to reduce lines of code * finished annotations+added TypeDoc * convert remaining Cell[] instances to CellArray * convert NaturalDocs links to JSDoc
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const graphHandler = graph.getPlugin('SelectionHandler');
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graphHandler.scaleGrid = true;
graph.setPanning(true);
// Enables rubberband selection
Finish converting core to ts, JSDoc conversion, consistency+convention changes, example bugfixes (#70) * reorganised directories; removed mx prefix * reduced directory hierarchies; removed mx prefix; type fixes * convert remaining javascript to ts * fix/add types * add type defs * type updates; moved codecs to where they're used * reorganise constants into enums+type additions * removed "Function:" and "Variable:" prefixes from comments, as they aren't needed in JSDoc * removed "Function:", "Variable:" and "Class:" prefixes from comments, as they aren't needed in JSDoc * removed "Function:" prefixes from comments, as they aren't needed in JSDoc * minor changes * convert code example blocks to markdown * module casing updates * converted parameter function documentation to JSDoc * documentation+type updates * removed react subdir (for now) * reorganised various `utils` functions into different files * type updates/bugfixes/workarounds * rename Rubberband and CellEditor to be *Handler to match the other plugins * move codec classes to where they're used to reduce cyclic dependencies * move codec classes to where they're used to reduce cyclic dependencies * type updates/reorganize layout file structure * renamed various files for consistency * import fixes * renamed GraphHandler SelectionHander and various fixes * convert EventObject parameters to objects * add basic better-docs config * update better-docs config * bugfix for shared variables in Graph persisting across instances * fixed accessing handlers in examples; renamed Model to GraphModel * fixed accessing handlers in examples; renamed Model to GraphModel * restored selection model * bugfix * renamed getModel to getDataModel * changed to use graph.batchUpdate() to reduce lines of code * changed to use graph.batchUpdate() to reduce lines of code * finished annotations+added TypeDoc * convert remaining Cell[] instances to CellArray * convert NaturalDocs links to JSDoc
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if (args.rubberBand) new RubberBandHandler(graph);
let repaintGrid;
// Create grid dynamically (requires canvas)
(function () {
try {
var canvas = document.createElement('canvas');
canvas.style.position = 'absolute';
canvas.style.top = '0px';
canvas.style.left = '0px';
canvas.style.zIndex = -1;
graph.container.appendChild(canvas);
var ctx = canvas.getContext('2d');
// Modify event filtering to accept canvas as container
var mxGraphViewIsContainerEvent = GraphView.prototype.isContainerEvent;
GraphView.prototype.isContainerEvent = function (evt) {
return (
mxGraphViewIsContainerEvent.apply(this, arguments) ||
Finish converting core to ts, JSDoc conversion, consistency+convention changes, example bugfixes (#70) * reorganised directories; removed mx prefix * reduced directory hierarchies; removed mx prefix; type fixes * convert remaining javascript to ts * fix/add types * add type defs * type updates; moved codecs to where they're used * reorganise constants into enums+type additions * removed "Function:" and "Variable:" prefixes from comments, as they aren't needed in JSDoc * removed "Function:", "Variable:" and "Class:" prefixes from comments, as they aren't needed in JSDoc * removed "Function:" prefixes from comments, as they aren't needed in JSDoc * minor changes * convert code example blocks to markdown * module casing updates * converted parameter function documentation to JSDoc * documentation+type updates * removed react subdir (for now) * reorganised various `utils` functions into different files * type updates/bugfixes/workarounds * rename Rubberband and CellEditor to be *Handler to match the other plugins * move codec classes to where they're used to reduce cyclic dependencies * move codec classes to where they're used to reduce cyclic dependencies * type updates/reorganize layout file structure * renamed various files for consistency * import fixes * renamed GraphHandler SelectionHander and various fixes * convert EventObject parameters to objects * add basic better-docs config * update better-docs config * bugfix for shared variables in Graph persisting across instances * fixed accessing handlers in examples; renamed Model to GraphModel * fixed accessing handlers in examples; renamed Model to GraphModel * restored selection model * bugfix * renamed getModel to getDataModel * changed to use graph.batchUpdate() to reduce lines of code * changed to use graph.batchUpdate() to reduce lines of code * finished annotations+added TypeDoc * convert remaining Cell[] instances to CellArray * convert NaturalDocs links to JSDoc
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eventUtils.getSource(evt) == canvas
);
};
var s = 0;
var gs = 0;
var tr = new Point();
var w = 0;
var h = 0;
repaintGrid = function () {
if (ctx != null) {
var bounds = graph.getGraphBounds();
var width = Math.max(bounds.x + bounds.width, graph.container.clientWidth);
var height = Math.max(bounds.y + bounds.height, graph.container.clientHeight);
var sizeChanged = width != w || height != h;
if (
graph.view.scale != s ||
graph.view.translate.x != tr.x ||
graph.view.translate.y != tr.y ||
gs != graph.gridSize ||
sizeChanged
) {
tr = graph.view.translate.clone();
s = graph.view.scale;
gs = graph.gridSize;
w = width;
h = height;
// Clears the background if required
if (!sizeChanged) {
ctx.clearRect(0, 0, w, h);
} else {
canvas.setAttribute('width', w);
canvas.setAttribute('height', h);
}
var tx = tr.x * s;
var ty = tr.y * s;
// Sets the distance of the grid lines in pixels
var minStepping = graph.gridSize;
var stepping = minStepping * s;
if (stepping < minStepping) {
var count = Math.round(Math.ceil(minStepping / stepping) / 2) * 2;
stepping = count * stepping;
}
var xs = Math.floor((0 - tx) / stepping) * stepping + tx;
var xe = Math.ceil(w / stepping) * stepping;
var ys = Math.floor((0 - ty) / stepping) * stepping + ty;
var ye = Math.ceil(h / stepping) * stepping;
xe += Math.ceil(stepping);
ye += Math.ceil(stepping);
var ixs = Math.round(xs);
var ixe = Math.round(xe);
var iys = Math.round(ys);
var iye = Math.round(ye);
// Draws the actual grid
ctx.strokeStyle = '#f6f6f6';
ctx.beginPath();
for (var x = xs; x <= xe; x += stepping) {
x = Math.round((x - tx) / stepping) * stepping + tx;
var ix = Math.round(x);
ctx.moveTo(ix + 0.5, iys + 0.5);
ctx.lineTo(ix + 0.5, iye + 0.5);
}
for (var y = ys; y <= ye; y += stepping) {
y = Math.round((y - ty) / stepping) * stepping + ty;
var iy = Math.round(y);
ctx.moveTo(ixs + 0.5, iy + 0.5);
ctx.lineTo(ixe + 0.5, iy + 0.5);
}
ctx.closePath();
ctx.stroke();
}
}
};
} catch (e) {
Finish converting core to ts, JSDoc conversion, consistency+convention changes, example bugfixes (#70) * reorganised directories; removed mx prefix * reduced directory hierarchies; removed mx prefix; type fixes * convert remaining javascript to ts * fix/add types * add type defs * type updates; moved codecs to where they're used * reorganise constants into enums+type additions * removed "Function:" and "Variable:" prefixes from comments, as they aren't needed in JSDoc * removed "Function:", "Variable:" and "Class:" prefixes from comments, as they aren't needed in JSDoc * removed "Function:" prefixes from comments, as they aren't needed in JSDoc * minor changes * convert code example blocks to markdown * module casing updates * converted parameter function documentation to JSDoc * documentation+type updates * removed react subdir (for now) * reorganised various `utils` functions into different files * type updates/bugfixes/workarounds * rename Rubberband and CellEditor to be *Handler to match the other plugins * move codec classes to where they're used to reduce cyclic dependencies * move codec classes to where they're used to reduce cyclic dependencies * type updates/reorganize layout file structure * renamed various files for consistency * import fixes * renamed GraphHandler SelectionHander and various fixes * convert EventObject parameters to objects * add basic better-docs config * update better-docs config * bugfix for shared variables in Graph persisting across instances * fixed accessing handlers in examples; renamed Model to GraphModel * fixed accessing handlers in examples; renamed Model to GraphModel * restored selection model * bugfix * renamed getModel to getDataModel * changed to use graph.batchUpdate() to reduce lines of code * changed to use graph.batchUpdate() to reduce lines of code * finished annotations+added TypeDoc * convert remaining Cell[] instances to CellArray * convert NaturalDocs links to JSDoc
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MaxLog.show();
MaxLog.debug('Using background image');
container.style.backgroundImage = "url('editors/images/grid.gif')";
}
var mxGraphViewValidateBackground = GraphView.prototype.validateBackground;
GraphView.prototype.validateBackground = function () {
mxGraphViewValidateBackground.apply(this, arguments);
repaintGrid();
};
})();
// Gets the default parent for inserting new cells. This
// is normally the first child of the root (ie. layer 0).
var parent = graph.getDefaultParent();
// Adds cells to the model in a single step
Finish converting core to ts, JSDoc conversion, consistency+convention changes, example bugfixes (#70) * reorganised directories; removed mx prefix * reduced directory hierarchies; removed mx prefix; type fixes * convert remaining javascript to ts * fix/add types * add type defs * type updates; moved codecs to where they're used * reorganise constants into enums+type additions * removed "Function:" and "Variable:" prefixes from comments, as they aren't needed in JSDoc * removed "Function:", "Variable:" and "Class:" prefixes from comments, as they aren't needed in JSDoc * removed "Function:" prefixes from comments, as they aren't needed in JSDoc * minor changes * convert code example blocks to markdown * module casing updates * converted parameter function documentation to JSDoc * documentation+type updates * removed react subdir (for now) * reorganised various `utils` functions into different files * type updates/bugfixes/workarounds * rename Rubberband and CellEditor to be *Handler to match the other plugins * move codec classes to where they're used to reduce cyclic dependencies * move codec classes to where they're used to reduce cyclic dependencies * type updates/reorganize layout file structure * renamed various files for consistency * import fixes * renamed GraphHandler SelectionHander and various fixes * convert EventObject parameters to objects * add basic better-docs config * update better-docs config * bugfix for shared variables in Graph persisting across instances * fixed accessing handlers in examples; renamed Model to GraphModel * fixed accessing handlers in examples; renamed Model to GraphModel * restored selection model * bugfix * renamed getModel to getDataModel * changed to use graph.batchUpdate() to reduce lines of code * changed to use graph.batchUpdate() to reduce lines of code * finished annotations+added TypeDoc * convert remaining Cell[] instances to CellArray * convert NaturalDocs links to JSDoc
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graph.batchUpdate(() => {
var v1 = graph.insertVertex(parent, null, 'Hello,', 20, 20, 80, 30);
var v2 = graph.insertVertex(parent, null, 'World!', 200, 150, 80, 30);
var e1 = graph.insertEdge(parent, null, '', v1, v2);
Finish converting core to ts, JSDoc conversion, consistency+convention changes, example bugfixes (#70) * reorganised directories; removed mx prefix * reduced directory hierarchies; removed mx prefix; type fixes * convert remaining javascript to ts * fix/add types * add type defs * type updates; moved codecs to where they're used * reorganise constants into enums+type additions * removed "Function:" and "Variable:" prefixes from comments, as they aren't needed in JSDoc * removed "Function:", "Variable:" and "Class:" prefixes from comments, as they aren't needed in JSDoc * removed "Function:" prefixes from comments, as they aren't needed in JSDoc * minor changes * convert code example blocks to markdown * module casing updates * converted parameter function documentation to JSDoc * documentation+type updates * removed react subdir (for now) * reorganised various `utils` functions into different files * type updates/bugfixes/workarounds * rename Rubberband and CellEditor to be *Handler to match the other plugins * move codec classes to where they're used to reduce cyclic dependencies * move codec classes to where they're used to reduce cyclic dependencies * type updates/reorganize layout file structure * renamed various files for consistency * import fixes * renamed GraphHandler SelectionHander and various fixes * convert EventObject parameters to objects * add basic better-docs config * update better-docs config * bugfix for shared variables in Graph persisting across instances * fixed accessing handlers in examples; renamed Model to GraphModel * fixed accessing handlers in examples; renamed Model to GraphModel * restored selection model * bugfix * renamed getModel to getDataModel * changed to use graph.batchUpdate() to reduce lines of code * changed to use graph.batchUpdate() to reduce lines of code * finished annotations+added TypeDoc * convert remaining Cell[] instances to CellArray * convert NaturalDocs links to JSDoc
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});
graph.centerZoom = false;
const controller = document.createElement('div');
div.appendChild(controller);
controller.appendChild(
Finish converting core to ts, JSDoc conversion, consistency+convention changes, example bugfixes (#70) * reorganised directories; removed mx prefix * reduced directory hierarchies; removed mx prefix; type fixes * convert remaining javascript to ts * fix/add types * add type defs * type updates; moved codecs to where they're used * reorganise constants into enums+type additions * removed "Function:" and "Variable:" prefixes from comments, as they aren't needed in JSDoc * removed "Function:", "Variable:" and "Class:" prefixes from comments, as they aren't needed in JSDoc * removed "Function:" prefixes from comments, as they aren't needed in JSDoc * minor changes * convert code example blocks to markdown * module casing updates * converted parameter function documentation to JSDoc * documentation+type updates * removed react subdir (for now) * reorganised various `utils` functions into different files * type updates/bugfixes/workarounds * rename Rubberband and CellEditor to be *Handler to match the other plugins * move codec classes to where they're used to reduce cyclic dependencies * move codec classes to where they're used to reduce cyclic dependencies * type updates/reorganize layout file structure * renamed various files for consistency * import fixes * renamed GraphHandler SelectionHander and various fixes * convert EventObject parameters to objects * add basic better-docs config * update better-docs config * bugfix for shared variables in Graph persisting across instances * fixed accessing handlers in examples; renamed Model to GraphModel * fixed accessing handlers in examples; renamed Model to GraphModel * restored selection model * bugfix * renamed getModel to getDataModel * changed to use graph.batchUpdate() to reduce lines of code * changed to use graph.batchUpdate() to reduce lines of code * finished annotations+added TypeDoc * convert remaining Cell[] instances to CellArray * convert NaturalDocs links to JSDoc
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DomHelpers.button('+', function () {
graph.zoomIn();
})
);
controller.appendChild(
Finish converting core to ts, JSDoc conversion, consistency+convention changes, example bugfixes (#70) * reorganised directories; removed mx prefix * reduced directory hierarchies; removed mx prefix; type fixes * convert remaining javascript to ts * fix/add types * add type defs * type updates; moved codecs to where they're used * reorganise constants into enums+type additions * removed "Function:" and "Variable:" prefixes from comments, as they aren't needed in JSDoc * removed "Function:", "Variable:" and "Class:" prefixes from comments, as they aren't needed in JSDoc * removed "Function:" prefixes from comments, as they aren't needed in JSDoc * minor changes * convert code example blocks to markdown * module casing updates * converted parameter function documentation to JSDoc * documentation+type updates * removed react subdir (for now) * reorganised various `utils` functions into different files * type updates/bugfixes/workarounds * rename Rubberband and CellEditor to be *Handler to match the other plugins * move codec classes to where they're used to reduce cyclic dependencies * move codec classes to where they're used to reduce cyclic dependencies * type updates/reorganize layout file structure * renamed various files for consistency * import fixes * renamed GraphHandler SelectionHander and various fixes * convert EventObject parameters to objects * add basic better-docs config * update better-docs config * bugfix for shared variables in Graph persisting across instances * fixed accessing handlers in examples; renamed Model to GraphModel * fixed accessing handlers in examples; renamed Model to GraphModel * restored selection model * bugfix * renamed getModel to getDataModel * changed to use graph.batchUpdate() to reduce lines of code * changed to use graph.batchUpdate() to reduce lines of code * finished annotations+added TypeDoc * convert remaining Cell[] instances to CellArray * convert NaturalDocs links to JSDoc
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DomHelpers.button('-', function () {
graph.zoomOut();
})
);
return div;
};
export const Default = Template.bind({});