loke/ng2-fittext
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Model to watch #10

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martinduris merged 4 commits from master into master 2017-08-02 20:09:28 +00:00
Conversation 1 Commits 4 Files changed 1 +11 -2
1 changed files with 11 additions and 2 deletions
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9
src/ng2fittext.directive.ts
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@ -10,6 +10,7 @@ export class Ng2FittextDirective implements AfterViewInit, OnInit, OnChanges {
@Input('container') container: any;
@Input('activateOnInputEvents') activateOnInputEvents: boolean;
@Input('useMaxFontSize') useMaxFontSize: boolean;
@Input('minFontSize') minFontSize = 7;
@Input('modelToWatch') modelToWatch: any;
private maxFontSize: number = 1000;
private fontSize: number = 0;
@ -19,6 +20,11 @@ export class Ng2FittextDirective implements AfterViewInit, OnInit, OnChanges {
}
setFontSize(fontSize) {
if (fontSize < this.minFontSize) {
// force that font size will never be lower than minimal allowed font size
fontSize = this.minFontSize;
}
this.fontSize = fontSize;
return this.el.nativeElement.style.setProperty('font-size', (fontSize).toString() + 'px');
}
@ -73,8 +79,11 @@ export class Ng2FittextDirective implements AfterViewInit, OnInit, OnChanges {
let overflow = this.container ? this.checkOverflow(this.container, this.el.nativeElement)
: this.checkOverflow(this.el.nativeElement.parentElement, this.el.nativeElement);
if (overflow) {
if (this.fontSize > this.minFontSize) {
// iterate only until font size is bigger than minimal value
this.setFontSize(this.calculateFontSize(this.fontSize, this.speed));
this.ngAfterViewInit();
}
} else {
if (this.useMaxFontSize) {
if(this.fontSize > this.maxFontSize) {