/
protoblocks.js
1969 lines (1749 loc) · 56.2 KB
/
protoblocks.js
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// Copyright (c) 2014-21 Walter Bender
//
// This program is free software; you can redistribute it and/or
// modify it under the terms of the The GNU Affero General Public
// License as published by the Free Software Foundation; either
// version 3 of the License, or (at your option) any later version.
//
// You should have received a copy of the GNU Affero General Public
// License along with this library; if not, write to the Free Software
// Foundation, 51 Franklin Street, Suite 500 Boston, MA 02110-1335 USA
/*
global
createjs, SVG, DEFAULTBLOCKSCALE, STANDARDBLOCKHEIGHT
*/
/*
exported
ProtoBlock, ValueBlock, BooleanBlock, BooleanSensorBlock,
LeftBlock, FlowClampBlock, StackClampBlock
*/
// The ProtoBlock class is defined in this file. Protoblocks are the
// prototypes from which Blocks are created.
// Note that protoblocks.js is largely deprecated. It is only used to
// generate palette blocks.
// Protoblock contain generic information about blocks and some
// methods common to all blocks.
class ProtoBlock {
/**
* Creates an instance of ProtoBlock.
* @param {string} name - The name of the block.
*/
constructor(name) {
// Name is used run-dictionary index, and palette label.
this.name = name;
// The palette to which this block is assigned.
this.palette = null;
// The graphic style used by the block.
this.style = null;
// The generator function used to create the artwork
this.generator = null;
// Does the block expand (or collapse) when other blocks are
// attached? e.g., start, repeat...
this.expandable = false;
// Is this block a parameter? Parameters have their labels
// overwritten with their current value.
this.parameter = false;
// How many "non-flow" arguments does a block have? (flow is
// vertical down a stack; args are horizontal. The pendown block
// has 0 args; the forward block has 1 arg; the setxy block has 2
// args.
this.args = 0;
// Default values for block parameters, e.g., forward 100 or right 90.
this.defaults = [];
// What is the size of the block prior to any expansion?
this.size = 1.0;
// Dock types are a list of the types associated with the docking points.
this.dockTypes = [];
// Static labels are generated as part of the inline SVG.
this.staticLabels = [];
// Default fontsize used for static labels.
this.fontsize = null;
// Extra block width for long labels
this.extraWidth = 0;
// Block scale
this.scale = DEFAULTBLOCKSCALE;
// The filepath of the image.
this.image = null;
// Hidden: don't show on any palette
this.hidden = false;
// Disabled: use inactive colors
this.disabled = false;
// Deprecated
this.deprecated = false;
//Stores the width of the text component
this.textWidth = 0;
this.labelOffset = 0;
this.beginnerModeBlock = false;
}
/**
* Adjusts the block width based on the label size.
*/
adjustWidthToLabel() {
if (this.staticLabels.length === 0) {
return;
}
const c = new createjs.Container();
const text = new createjs.Text(
this.staticLabels[0],
this.fontSize + "px Sans",
"#000000"
);
c.addChild(text);
const b = c.getBounds();
this.textWidth = b.width;
this.extraWidth += Math.max(b.width - 30, 0);
}
// What follows are the initializations for different block
// styles.
// The generator methods return the svg artwork, the dock
// positions, and the width and height, and the height used to
// calculate the hit area for the block. (Note that clamp blocks
// only extend their hit area to the top of the clamp.)
// E.g., penup, pendown
/**
* Initializes a zero-argument block.
*/
zeroArgBlock() {
this.args = 0;
this.dockTypes.push("out");
this.dockTypes.push("in");
this.generator = this.zeroArgBlockGenerator;
}
/**
* Generates SVG artwork for a zero-argument block.
* @returns {array} - An array containing SVG artwork, dock positions, width, height, and hit area height.
*/
zeroArgBlockGenerator() {
const svg = new SVG();
svg.setScale(this.scale);
svg.setTab(true);
svg.setSlot(true);
if (this.fontsize) {
svg.setFontSize(this.fontsize);
}
svg.setExpand(30 + this.extraWidth, 0, 0, 0);
return [
svg.basicBlock(),
svg.docks,
svg.getWidth(),
svg.getHeight(),
svg.getHeight()
];
}
// E.g., hidden (used at end of clamp)
/**
* Sets up a hidden block with flow.
* Used at the end of a clamp.
*/
hiddenBlockFlow() {
this.args = 0;
this.size = 0;
this.dockTypes.push("out");
this.dockTypes.push("in");
this.generator = this.hiddenBlockFlowGenerator;
}
// E.g., hidden (used at end of no flow clamp)
/**
* Sets up a hidden block with no flow.
* Used at the end of a no flow clamp.
*/
hiddenBlockNoFlow() {
this.args = 0;
this.size = 0;
this.dockTypes.push("out");
this.dockTypes.push("unavailable");
this.generator = this.hiddenBlockFlowGenerator;
}
/**
* Generates SVG artwork and docks for a hidden block with flow.
* @returns {array} - Array containing SVG artwork, docks, width, height, and hitHeight.
*/
hiddenBlockFlowGenerator() {
const svg = new SVG();
svg.setScale(this.scale);
svg.setSlot(true);
svg.setTab(true);
if (this.fontsize) {
svg.setFontSize(this.fontsize);
}
// We need to generate the artwork in order to generate the dock.
let artwork = svg.basicBlock();
// Then we replace the artwork with a single pixel.
artwork =
'<svg xmlns="http://www.w3.org/2000/svg" width="1" height="1"><text style="font-size:10px;fill:#000000;font-family:sans-serif;text-anchor:end"><tspan x="46.333333333333336" y="13.5">block_label</tspan></text></svg>';
// And bring the last dock position to the top.
svg.docks[1][1] = svg.docks[0][1];
return [artwork, svg.docks, 0, 0, 0];
}
// E.g., break
/**
* Sets up a basic block with no flow.
* Used for breaks.
*/
basicBlockNoFlow() {
this.args = 0;
this.dockTypes.push("out");
this.dockTypes.push("unavailable");
this.generator = this.basicBlockNoFlowGenerator;
}
/**
* Generates SVG artwork and docks for a basic block with no flow.
* @returns {array} - Array containing SVG artwork, docks, width, height, and hitHeight.
*/
basicBlockNoFlowGenerator() {
const svg = new SVG();
svg.setScale(this.scale);
svg.setSlot(true);
svg.setTail(true);
if (this.fontsize) {
svg.setFontSize(this.fontsize);
}
svg.setExpand(30 + this.extraWidth, 0, 0, 0);
return [
svg.basicBlock(),
svg.docks,
svg.getWidth(),
svg.getHeight(),
svg.getHeight()
];
}
// E.g., collapsed
/**
* Sets up a collapsed basic block.
*/
basicBlockCollapsed() {
this.args = 0;
this.dockTypes.push("unavailable");
this.dockTypes.push("unavailable");
this.generator = this.basicBlockCollapsedGenerator;
}
/**
* Generates SVG artwork and docks for a collapsed basic block.
* @returns {array} - Array containing SVG artwork, docks, width, height, and hitHeight.
*/
basicBlockCollapsedGenerator() {
const svg = new SVG();
svg.setScale(this.scale);
svg.setCap(true);
svg.setTail(true);
if (this.fontsize) {
svg.setFontSize(this.fontsize);
}
svg.setExpand(30 + this.extraWidth, 0, 0, 0);
return [
svg.basicBlock(),
svg.docks,
svg.getWidth(),
svg.getHeight(),
svg.getHeight()
];
}
// E.g., forward, right
/**
* Sets up a one-argument block.
* E.g., forward, right.
*/
oneArgBlock() {
this.args = 1;
this.dockTypes.push("out");
this.dockTypes.push("numberin");
this.dockTypes.push("in");
this.generator = this.oneArgBlockGenerator;
}
/**
* Generates SVG artwork and docks for a one-argument block.
* @returns {array} - Array containing SVG artwork, docks, width, height, and hitHeight.
*/
oneArgBlockGenerator() {
const svg = new SVG();
svg.setScale(this.scale);
svg.setTab(true);
svg.setInnies([true]);
svg.setSlot(true);
if (this.fontsize) {
svg.setFontSize(this.fontsize);
}
svg.setExpand(30 + this.extraWidth, 0, 0, 0);
return [
svg.basicBlock(),
svg.docks,
svg.getWidth(),
svg.getHeight(),
svg.getHeight()
];
}
// E.g., wait for
/**
* Sets up a block with one boolean argument.
*/
oneBooleanArgBlock() {
this.args = 1;
this.size = 1;
this.dockTypes.push("out");
this.dockTypes.push("booleanin");
this.dockTypes.push("in");
this.generator = this.oneBooleanArgBlockGenerator;
}
/**
* Generates a block with one boolean argument.
* @returns {array} - An array containing SVG representation, docks, width, and height of the block.
*/
oneBooleanArgBlockGenerator() {
const svg = new SVG();
svg.setScale(this.scale);
svg.setTab(true);
svg.setSlot(true);
svg.setBoolean(true);
svg.setClampCount(0);
if (this.fontsize) {
svg.setFontSize(this.fontsize);
}
svg.setExpand(30 + this.extraWidth, 0, 0, 0);
return [
svg.basicBlock(),
svg.docks,
svg.getWidth(),
svg.getHeight(),
svg.getHeight()
];
}
// E.g., setxy. These are expandable.
/**
* Sets up an expandable block with two arguments.
*/
twoArgBlock() {
this.expandable = true;
this.style = "twoarg";
this.size = 2;
this.args = 2;
this.dockTypes.push("out");
this.dockTypes.push("numberin");
this.dockTypes.push("numberin");
this.dockTypes.push("in");
this.generator = this.twoArgBlockGenerator;
}
/**
* Generates an expandable block with two arguments.
* @param {number} expandY - The expansion along the Y-axis.
* @returns {array} - An array containing SVG representation, docks, width, and height of the block.
*/
twoArgBlockGenerator(expandY) {
const svg = new SVG();
svg.setScale(this.scale);
svg.setTab(true);
svg.setInnies([true, true]);
svg.setSlot(true);
if (expandY) {
svg.setExpand(
30 + this.extraWidth,
((expandY - 1) * STANDARDBLOCKHEIGHT) / 2, 0, 0);
} else {
svg.setExpand(30 + this.extraWidth, 0, 0, 0);
}
if (this.fontsize) {
svg.setFontSize(this.fontsize);
}
return [
svg.basicBlock(),
svg.docks,
svg.getWidth(),
svg.getHeight(),
svg.getHeight()
];
}
// E.g., ??? These are expandable.
/**
* Sets up an expandable block with three arguments.
*/
threeArgBlock() {
this.expandable = true;
this.style = "twoarg";
this.size = 3;
this.args = 3;
this.dockTypes.push("out");
this.dockTypes.push("numberin");
this.dockTypes.push("numberin");
this.dockTypes.push("numberin");
this.dockTypes.push("in");
this.generator = this.threeArgBlockGenerator;
}
/**
* Generates an expandable block with three arguments.
* @param {number} expandY - The expansion along the Y-axis.
* @returns {array} - An array containing SVG representation, docks, width, and height of the block.
*/
threeArgBlockGenerator(expandY) {
const svg = new SVG();
svg.setScale(this.scale);
svg.setTab(true);
svg.setInnies([true, true, true]);
svg.setSlot(true);
if (expandY) {
svg.setExpand(
30 + this.extraWidth,
((expandY - 1) * STANDARDBLOCKHEIGHT) / 2, 0, 0);
} else {
svg.setExpand(30 + this.extraWidth, 0, 0, 0);
}
if (this.fontsize) {
svg.setFontSize(this.fontsize);
}
return [
svg.basicBlock(),
svg.docks,
svg.getWidth(),
svg.getHeight(),
svg.getHeight()
];
}
/**
* Sets up a block with four arguments.
* This block is expandable and follows the 'twoarg' style.
*/
fourArgBlock() {
this.expandable = true;
this.style = "twoarg";
this.size = 4;
this.args = 4;
this.dockTypes.push("out");
this.dockTypes.push("numberin");
this.dockTypes.push("numberin");
this.dockTypes.push("numberin");
this.dockTypes.push("numberin");
this.dockTypes.push("in");
this.generator = this.fourArgBlockGenerator;
}
/**
* Generates a block with four arguments.
* @param {number} expandY - Expansion factor for the Y dimension (optional).
* @returns {array} - An array containing block SVG, docks, width, and height.
*/
fourArgBlockGenerator(expandY) {
const svg = new SVG();
svg.setScale(this.scale);
svg.setTab(true);
svg.setInnies([true, true, true, true]);
svg.setSlot(true);
if (expandY) {
svg.setExpand(
30 + this.extraWidth,
((expandY - 1) * STANDARDBLOCKHEIGHT) / 2, 0, 0);
} else {
svg.setExpand(30 + this.extraWidth, 0, 0, 0);
}
if (this.fontsize) {
svg.setFontSize(this.fontsize);
}
return [
svg.basicBlock(),
svg.docks,
svg.getWidth(),
svg.getHeight(),
svg.getHeight()
];
}
// E.g., sqrt, box
/**
* Sets up a block with one argument for mathematical operations.
* This block follows the 'arg' style and has a single argument.
*/
oneArgMathBlock() {
this.style = "arg";
this.size = 1;
this.args = 1;
this.parameter = true;
this.dockTypes.push("numberout");
this.dockTypes.push("numberin");
this.generator = this.oneArgMathBlockGenerator;
}
/**
* Generates a block with one argument for mathematical operations.
* @returns {array} - An array containing block SVG, docks, width, and height.
*/
oneArgMathBlockGenerator() {
const svg = new SVG();
svg.setScale(this.scale);
svg.setSlot(false);
svg.setInnies([true]);
svg.setOutie(true);
svg.setTab(false);
if (this.fontsize) {
svg.setFontSize(this.fontsize);
}
svg.setExpand(30 + this.extraWidth, 0, 0, 0);
return [
svg.basicBlock(),
svg.docks,
svg.getWidth(),
svg.getHeight(),
svg.getHeight()
];
}
// E.g., plus, minus, multiply, divide, power,distance. These are also expandable.
/**
* Sets up a block with two arguments for mathematical operations.
* This block is expandable, follows the 'arg' style, and has two arguments.
*/
twoArgMathBlock() {
this.expandable = true;
this.style = "arg";
this.size = 2;
this.args = 2;
this.parameter = true;
this.dockTypes.push("numberout");
this.dockTypes.push("numberin");
this.dockTypes.push("numberin");
this.generator = this.twoArgMathBlockGenerator;
}
/**
* Generates a block with two arguments for mathematical operations.
* @param {number} expandY - Expansion factor for the Y dimension (optional).
* @returns {array} - An array containing block SVG, docks, width, and height.
*/
twoArgMathBlockGenerator(expandY) {
const svg = new SVG();
svg.setScale(this.scale);
svg.setSlot(false);
svg.setInnies([true, true]);
svg.setOutie(true);
svg.setTab(false);
if (expandY) {
svg.setExpand(
30 + this.extraWidth,
((expandY - 1) * STANDARDBLOCKHEIGHT) / 2, 0, 0);
} else {
svg.setExpand(30 + this.extraWidth, 0, 0, 0);
}
if (this.fontsize) {
svg.setFontSize(this.fontsize);
}
return [
svg.basicBlock(),
svg.docks,
svg.getWidth(),
svg.getHeight(),
svg.getHeight()
];
}
/**
* Configures a three-argument math block.
*/
threeArgMathBlock() {
this.expandable = true;
this.style = "arg";
this.size = 3;
this.args = 3;
this.parameter = true;
this.dockTypes.push("numberout");
this.dockTypes.push("numberin");
this.dockTypes.push("numberin");
this.dockTypes.push("numberin");
this.generator = this.threeArgMathBlockGenerator;
}
/**
* Generates SVG for a three-argument math block.
* @param {number} expandY - The expansion factor for Y-axis.
* @returns {array} - Array containing SVG elements and dimensions.
*/
threeArgMathBlockGenerator(expandY) {
const svg = new SVG();
svg.setScale(this.scale);
svg.setSlot(false);
svg.setInnies([true, true, true]);
svg.setOutie(true);
svg.setTab(false);
if (expandY) {
svg.setExpand(
30 + this.extraWidth,
((expandY - 1) * STANDARDBLOCKHEIGHT) / 2, 0, 0);
} else {
svg.setExpand(30 + this.extraWidth, 0, 0, 0);
}
if (this.fontsize) {
svg.setFontSize(this.fontsize);
}
return [
svg.basicBlock(),
svg.docks,
svg.getWidth(),
svg.getHeight(),
svg.getHeight()
];
}
// E.g., distance . Distance block will calculate geometrical distance between two pointa
// by default (cursor x ,cursor y ) and x and y
/**
* Configures a four-argument math block.
*/
fourArgMathBlock() {
this.expandable = true;
this.style = "arg";
this.size = 4;
this.args = 4;
this.parameter = true;
this.dockTypes.push("numberout");
this.dockTypes.push("numberin");
this.dockTypes.push("numberin");
this.dockTypes.push("numberin");
this.dockTypes.push("numberin");
this.generator = this.fourArgMathBlockGenerator;
}
/**
* Generates SVG for a four-argument math block.
* @param {number} expandY - The expansion factor for Y-axis.
* @returns {array} - Array containing SVG elements and dimensions.
*/
fourArgMathBlockGenerator(expandY) {
const svg = new SVG();
svg.setScale(this.scale);
svg.setSlot(false);
svg.setInnies([true, true, true, true]);
svg.setOutie(true);
svg.setTab(false);
if (expandY) {
svg.setExpand(
30 + this.extraWidth,
((expandY - 1) * STANDARDBLOCKHEIGHT) / 2, 0, 0);
} else {
svg.setExpand(30 + this.extraWidth, 0, 0, 0);
}
if (this.fontsize) {
svg.setFontSize(this.fontsize);
}
return [
svg.basicBlock(),
svg.docks,
svg.getWidth(),
svg.getHeight(),
svg.getHeight()
];
}
// E.g., number, string. Value blocks get DOM textareas associated
// with them so their values can be edited by the user.
/**
* Configures a value block.
*/
valueBlock() {
this.style = "value";
this.size = 1;
this.args = 0;
this.dockTypes.push("numberout");
this.generator = this.valueBlockGenerator;
}
/**
* Generates SVG for a value block.
* @returns {array} - Array containing SVG elements and dimensions.
*/
valueBlockGenerator() {
const svg = new SVG();
svg.setScale(this.scale);
// Extra room for parameter label
svg.setExpand(60 + this.extraWidth, 0, 0, 0);
svg.setOutie(true);
if (this.fontsize) {
svg.setFontSize(this.fontsize);
}
return [
svg.basicBox(),
svg.docks,
svg.getWidth(),
svg.getHeight(),
svg.getHeight()
];
}
/**
* Sets up a media block. Media blocks invoke a chooser and a thumbnail
* image is overlayed to represent the data associated with the block.
*/
mediaBlock() {
this.style = "value";
this.size = 2;
this.args = 0;
this.dockTypes.push("mediaout");
this.generator = this.mediaBlockGenerator;
}
/**
* Generates SVG for a media block.
* @returns {Array} - An array containing SVG components.
*/
mediaBlockGenerator() {
const svg = new SVG();
svg.setScale(this.scale);
// Extra room for graphics
svg.setExpand(60 + this.extraWidth, 23, 0, 0);
svg.setOutie(true);
if (this.fontsize) {
svg.setFontSize(this.fontsize);
}
return [
svg.basicBox(),
svg.docks,
svg.getWidth(),
svg.getHeight(),
svg.getHeight()
];
}
// E.g., start. A "child" flow is docked in an expandable clamp.
// There are no additional arguments and no flow above or below.
/**
* Sets up a stack clamp block with zero arguments. A "child" flow is docked
* in an expandable clamp. There are no additional arguments and no flow
* above or below.
*/
stackClampZeroArgBlock() {
this.style = "clamp";
this.expandable = true;
this.size = 3;
this.args = 1;
this.dockTypes.push("unavailable");
this.dockTypes.push("in");
this.dockTypes.push("unavailable");
this.generator = this.stackClampZeroArgBlockGenerator;
}
/**
* Generates SVG for a stack clamp block with zero arguments.
* @param {number} [slots] - Number of available slots (optional).
* @returns {Array} - An array containing SVG components.
*/
stackClampZeroArgBlockGenerator(slots) {
const svg = new SVG();
svg.setScale(this.scale);
svg.setCap(true);
svg.setTail(true);
svg.setExpand(20 + this.extraWidth, 0, 0, 0);
svg.setLabelOffset(this.labelOffset);
if (slots) {
svg.setClampSlots(0, slots);
} else {
svg.setClampSlots(0, 1);
}
if (this.fontsize) {
svg.setFontSize(this.fontsize);
}
return [
svg.basicClamp(),
svg.docks,
svg.getWidth(),
svg.getHeight(),
svg.docks[1][1]
];
}
// E.g., emptyclamp. Unlike start, there is a flow above and below.
/**
* Sets up a flow clamp block. Unlike start, there is a flow above and below.
*/
flowClampBlock() {
this.style = "clamp";
this.expandable = true;
this.size = 2;
this.args = 1;
this.dockTypes.push("out");
this.dockTypes.push("in");
this.dockTypes.push("in");
this.generator = this.flowClampBlockGenerator;
}
/**
* Generates SVG for a flow clamp block.
* @param {number} [slots] - Number of available slots (optional).
* @returns {Array} - An array containing SVG components.
*/
flowClampBlockGenerator(slots) {
const svg = new SVG();
svg.setScale(this.scale);
svg.setTab(true);
svg.setSlot(true);
svg.setExpand(20 + this.extraWidth, 0, 0, 0);
if (slots) {
svg.setClampSlots(0, slots);
} else {
svg.setClampSlots(0, 1);
}
if (this.fontsize) {
svg.setFontSize(this.fontsize);
}
return [
svg.basicClamp(),
svg.docks,
svg.getWidth(),
svg.getHeight(),
svg.docks[1][1]
];
}
// E.g., repeat. Unlike action, there is a flow above and below.
/**
* Sets up a flow clamp block with one argument.
*/
flowClampOneArgBlock() {
this.style = "clamp";
this.expandable = true;
this.size = 2;
this.args = 2;
this.dockTypes.push("out");
this.dockTypes.push("numberin");
this.dockTypes.push("in");
this.dockTypes.push("in");
this.generator = this.flowClampOneArgBlockGenerator;
}
/**
* Generates SVG for a flow clamp block with one argument.
* @param {number} slots - The number of slots.
* @returns {Array} - Array containing SVG, docks, width, height, and input y-coordinate.
*/
flowClampOneArgBlockGenerator(slots) {
const svg = new SVG();
svg.setScale(this.scale);
svg.setTab(true);
svg.setSlot(true);
svg.setInnies([true]);
svg.setLabelOffset(this.labelOffset);
svg.setExpand(20 + this.extraWidth, 0, 0, 0);
if (slots) {
svg.setClampSlots(0, slots);
} else {
svg.setClampSlots(0, 1);
}
if (this.fontsize) {
svg.setFontSize(this.fontsize);
}
return [
svg.basicClamp(),
svg.docks,
svg.getWidth(),
svg.getHeight(),
svg.docks[2][1]
];
}
// E.g., tuplet, which takes two args plus an interior flow.
// There is a flow above and below.
/**
* Sets up a flow clamp block with two arguments.
*/
flowClampTwoArgBlock() {
this.style = "clamp";
this.expandable = true;
this.size = 3;
this.args = 3;
this.dockTypes.push("out");
this.dockTypes.push("numberin");
this.dockTypes.push("numberin");
this.dockTypes.push("in");
this.dockTypes.push("in");
this.generator = this.flowClampTwoArgBlockGenerator;
}
/**
* Generates SVG for a flow clamp block with two arguments.
* @param {number} slots - The number of slots.
* @returns {Array} - Array containing SVG, docks, width, height, and input y-coordinate.
*/
flowClampTwoArgBlockGenerator(slots) {
const svg = new SVG();
svg.setScale(this.scale);
svg.setTab(true);
svg.setSlot(true);
svg.setInnies([true, true]);
svg.setExpand(20 + this.extraWidth, 0, 0, 0);
if (slots) {
svg.setClampSlots(0, slots);
} else {
svg.setClampSlots(0, 1);
}
if (this.fontsize) {
svg.setFontSize(this.fontsize);
}
return [
svg.basicClamp(),
svg.docks,
svg.getWidth(),
svg.getHeight(),
svg.docks[3][1]
];
}
/**
* Sets up a flow clamp block with three arguments.
*/
flowClampThreeArgBlock() {
this.style = "clamp";
this.expandable = true;
this.size = 4;
this.args = 4;
this.dockTypes.push("out");
this.dockTypes.push("numberin");
this.dockTypes.push("numberin");
this.dockTypes.push("textin");
this.dockTypes.push("in");
this.dockTypes.push("in");
this.generator = this.flowClampThreeArgBlockGenerator;
}
/**
* Generates a basic clamp block with three argument slots.
* @param {number} slots - The number of slots for clamping (optional, defaults to 1 if not provided).
* @returns {Array} - An array containing SVG representation, docks, width, height, and hit area.
*/
flowClampThreeArgBlockGenerator(slots) {
const svg = new SVG();
svg.setScale(this.scale);
svg.setTab(true);
svg.setSlot(true);
svg.setInnies([true, true, true]);
svg.setExpand(20 + this.extraWidth, 0, 0, 0);
if (slots) {
svg.setClampSlots(0, slots);
} else {
svg.setClampSlots(0, 1);
}
if (this.fontsize) {
svg.setFontSize(this.fontsize);
}
return [
svg.basicClamp(),
svg.docks,
svg.getWidth(),
svg.getHeight(),
svg.docks[4][1]