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-rw-r--r--src/client/views/nodes/LabelBigText.js81
1 files changed, 55 insertions, 26 deletions
diff --git a/src/client/views/nodes/LabelBigText.js b/src/client/views/nodes/LabelBigText.js
index db43551d8..290152cd0 100644
--- a/src/client/views/nodes/LabelBigText.js
+++ b/src/client/views/nodes/LabelBigText.js
@@ -5,14 +5,14 @@ And from Jetroid/bigtext.js v1.0.0, September 2016
Usage:
BigText("#myElement",{
- rotateText: {Number}, (null)
- fontSizeFactor: {Number}, (0.8)
- maximumFontSize: {Number}, (null)
- limitingDimension: {String}, ("both")
- horizontalAlign: {String}, ("center")
- verticalAlign: {String}, ("center")
- textAlign: {String}, ("center")
- whiteSpace: {String}, ("nowrap")
+ rotateText: {Number}, (null)
+ fontSizeFactor: {Number}, (0.8)
+ maximumFontSize: {Number}, (null)
+ limitingDimension: {String}, ("both")
+ horizontalAlign: {String}, ("center")
+ verticalAlign: {String}, ("center")
+ textAlign: {String}, ("center")
+ whiteSpace: {String}, ("nowrap")
});
@@ -28,6 +28,8 @@ fontSizeFactor: This option is used to give some vertical spacing for letters th
maximumFontSize: maximum font size to use.
+minimumFontSize: minimum font size to use. if font is calculated smaller than this, text will be rendered at this size and wrapped
+
limitingDimension: In which dimension the font size should be limited. Possible values: "width", "height" or "both". Defaults to both. Using this option with values different than "both" overwrites the element parent width or height.
horizontalAlign: Where to align the text horizontally. Possible values: "left", "center", "right". Defaults to "center".
@@ -98,7 +100,8 @@ export default function BigText(element, options) {
horizontalAlign: "center",
verticalAlign: "center",
textAlign: "center",
- whiteSpace: "nowrap"
+ whiteSpace: "nowrap",
+ singleLine: true
};
//Merge provided options and default options
@@ -109,20 +112,29 @@ export default function BigText(element, options) {
//Get variables which we will reference frequently
var style = element.style;
- var computedStyle = document.defaultView.getComputedStyle(element);
var parent = element.parentNode;
var parentStyle = parent.style;
var parentComputedStyle = document.defaultView.getComputedStyle(parent);
//hides the element to prevent "flashing"
style.visibility = "hidden";
-
//Set some properties
style.display = "inline-block";
style.clear = "both";
style.float = "left";
- style.fontSize = (1000 * options.fontSizeFactor) + "px";
- style.lineHeight = "1000px";
+ var fontSize = options.maximumFontSize;
+ if (options.singleLine) {
+ style.fontSize = (fontSize * options.fontSizeFactor) + "px";
+ style.lineHeight = fontSize + "px";
+ } else {
+ for (; fontSize > options.minimumFontSize; fontSize = fontSize - Math.min(fontSize / 2, Math.max(0, fontSize - 48) + 2)) {
+ style.fontSize = (fontSize * options.fontSizeFactor) + "px";
+ style.lineHeight = "1";
+ if (element.offsetHeight <= +parentComputedStyle.height.replace("px", "")) {
+ break;
+ }
+ }
+ }
style.whiteSpace = options.whiteSpace;
style.textAlign = options.textAlign;
style.position = "relative";
@@ -130,6 +142,7 @@ export default function BigText(element, options) {
style.margin = 0;
style.left = "50%";
style.top = "50%";
+ var computedStyle = document.defaultView.getComputedStyle(element);
//Get properties of parent to allow easier referencing later.
var parentPadding = {
@@ -154,6 +167,7 @@ export default function BigText(element, options) {
width: element.offsetWidth, //Note: This is slightly larger than the jQuery version
height: element.offsetHeight,
};
+ if (!box.width || !box.height) return element;
if (options.rotateText !== null) {
@@ -172,22 +186,37 @@ export default function BigText(element, options) {
box.height = element.offsetWidth * sine + element.offsetHeight * cosine;
}
- var widthFactor = (parentInnerWidth - parentPadding.left - parentPadding.right) / box.width;
- var heightFactor = (parentInnerHeight - parentPadding.top - parentPadding.bottom) / box.height;
+ var parentWidth = (parentInnerWidth - parentPadding.left - parentPadding.right);
+ var parentHeight = (parentInnerHeight - parentPadding.top - parentPadding.bottom);
+ var widthFactor = parentWidth / box.width;
+ var heightFactor = parentHeight / box.height;
var lineHeight;
if (options.limitingDimension.toLowerCase() === "width") {
- lineHeight = Math.floor(widthFactor * 1000);
- parentStyle.height = lineHeight + "px";
+ lineHeight = Math.floor(widthFactor * fontSize);
} else if (options.limitingDimension.toLowerCase() === "height") {
- lineHeight = Math.floor(heightFactor * 1000);
+ lineHeight = Math.floor(heightFactor * fontSize);
} else if (widthFactor < heightFactor)
- lineHeight = Math.floor(widthFactor * 1000);
+ lineHeight = Math.floor(widthFactor * fontSize);
else if (widthFactor >= heightFactor)
- lineHeight = Math.floor(heightFactor * 1000);
+ lineHeight = Math.floor(heightFactor * fontSize);
var fontSize = lineHeight * options.fontSizeFactor;
- if (options.maximumFontSize !== null && fontSize > options.maximumFontSize) {
+ if (fontSize < options.minimumFontSize) {
+ parentStyle.display = "flex";
+ parentStyle.alignItems = "center";
+ style.textAlign = "center";
+ style.visibility = "";
+ style.fontSize = options.minimumFontSize + "px";
+ style.lineHeight = "";
+ style.overflow = "hidden";
+ style.textOverflow = "ellipsis";
+ style.top = "";
+ style.left = "";
+ style.margin = "";
+ return element;
+ }
+ if (options.maximumFontSize && fontSize > options.maximumFontSize) {
fontSize = options.maximumFontSize;
lineHeight = fontSize / options.fontSizeFactor;
}
@@ -197,11 +226,11 @@ export default function BigText(element, options) {
style.marginBottom = "0px";
style.marginRight = "0px";
- if (options.limitingDimension.toLowerCase() === "height") {
- //this option needs the font-size to be set already so computedStyle.getPropertyValue("width") returns the right size
- //this +4 is to compensate the rounding erros that can occur due to the calls to Math.floor in the centering code
- parentStyle.width = (parseInt(computedStyle.getPropertyValue("width")) + 4) + "px";
- }
+ // if (options.limitingDimension.toLowerCase() === "height") {
+ // //this option needs the font-size to be set already so computedStyle.getPropertyValue("width") returns the right size
+ // //this +4 is to compensate the rounding erros that can occur due to the calls to Math.floor in the centering code
+ // parentStyle.width = (parseInt(computedStyle.getPropertyValue("width")) + 4) + "px";
+ // }
//Calculate the inner width and height
var innerDimensions = _calculateInnerDimensions(computedStyle);