diff --git a/.gitignore b/.gitignore index b5c6a7b..7c0acad 100644 --- a/.gitignore +++ b/.gitignore @@ -1,10 +1,11 @@ -# Node generated files -node_modules -npm-debug.log -# OS generated files -Thumbs.db -.DS_Store -# Ignored files -*.js -*.map -*.d.ts \ No newline at end of file +# Node generated files +node_modules +npm-debug.log +# OS generated files +Thumbs.db +.DS_Store +# Ignored files +*.js +*.map +*.d.ts +.idea \ No newline at end of file diff --git a/.idea/vcs.xml b/.idea/vcs.xml new file mode 100644 index 0000000..94a25f7 --- /dev/null +++ b/.idea/vcs.xml @@ -0,0 +1,6 @@ + + + + + + \ No newline at end of file diff --git a/README.md b/README.md index 9e85c58..2e0061b 100644 --- a/README.md +++ b/README.md @@ -32,6 +32,23 @@ Import it in your Angular2 project like a module ``` 2) Use it in your components + + Fit with specified container (can be the parent or a deeper ancestor) + ```sh + import {Component} from '@angular/core'; + + @Component({ + selector: 'label', + template: `
+
Bla bla bla...
+
` + }) + + export class LabelComponent {} + ``` + + + Fit with the parent element (this works if you have a variable number of element between element and parent) ```sh import {Component} from '@angular/core'; @@ -45,6 +62,8 @@ Import it in your Angular2 project like a module export class LabelComponent {} ``` + + **NEW! Support for autoresize input box!** ```sh @@ -52,19 +71,38 @@ Import it in your Angular2 project like a module @Component({ selector: 'inputbox', - template: `
- `, + template: `
+ `,
` }) export class InputBoxComponent {} ``` + + + **NEW! Support for maxFontSize!** + + ```sh + import {Component} from '@angular/core'; + + @Component({ + selector: 'inputbox', + template: `
+ `, +
` + }) + + export class InputBoxComponent {} + ``` + + Parameters: | Parameter | Description | Values | | --- | --- | --- | | fittext | is the selector of the directive | true/false + | container | the container to fit (if not present it fit default to parent container)| ElementRef | activateOnResize | enable/disable the autofit in case of window resize | true or false (default false) | activateOnInputEvents | enbale/disable the autofit in case of input box events (keydown, keyup etc..) | true or false (default false) | useMaxFontSize | Use font-size from element as maximum font-size | enable/disable the usage of max font-size of the lement diff --git a/src/ng2fittext.directive.ts b/src/ng2fittext.directive.ts index d077799..39071cb 100644 --- a/src/ng2fittext.directive.ts +++ b/src/ng2fittext.directive.ts @@ -3,10 +3,11 @@ import {Directive, ElementRef, Renderer, Input, AfterViewInit, HostListener, OnI @Directive({ selector: '[fittext]' }) -export class FittextDirective implements AfterViewInit, OnInit { +export class Ng2FittextDirective implements AfterViewInit, OnInit { @Input('fittext') fittext: any; @Input('activateOnResize') activateOnResize: boolean; + @Input('container') container: any; @Input('activateOnInputEvents') activateOnInputEvents: boolean; @Input('useMaxFontSize') useMaxFontSize: boolean; private maxFontSize: number = 1000; @@ -17,8 +18,6 @@ export class FittextDirective implements AfterViewInit, OnInit { } setFontSize(fontSize) { - console.log(); - this.fontSize = fontSize; return this.el.nativeElement.style.setProperty('font-size', (fontSize).toString() + 'px'); } @@ -28,8 +27,7 @@ export class FittextDirective implements AfterViewInit, OnInit { return Math.floor(fontSize / speed); } - checkOverflow(children: any) { - const parent = children.parentElement; + checkOverflow(parent: any, children: any) { let overflowX = children.scrollWidth - parent.clientWidth; let overflowY = children.clientHeight - parent.clientHeight; @@ -40,9 +38,9 @@ export class FittextDirective implements AfterViewInit, OnInit { onResize() { if (this.activateOnResize && this.fittext) { if (this.activateOnInputEvents && this.fittext) { - this.setFontSize(this.el.nativeElement.parentElement.clientHeight); + this.setFontSize(this.container ? this.container.clientHeight : this.el.nativeElement.parentElement.clientHeight); } else { - this.setFontSize(this.el.nativeElement.parentElement.clientWidth); + this.setFontSize(this.container ? this.container.clientWidth : this.el.nativeElement.parentElement.clientWidth); } this.ngAfterViewInit(); } @@ -51,7 +49,7 @@ export class FittextDirective implements AfterViewInit, OnInit { @HostListener('input', ['$event']) onInputEvents() { if (this.activateOnInputEvents && this.fittext) { - this.setFontSize(this.el.nativeElement.parentElement.clientHeight); + this.setFontSize(this.container ? this.container.clientHeight : this.el.nativeElement.parentElement.clientHeight); this.ngAfterViewInit(); } } @@ -64,16 +62,18 @@ export class FittextDirective implements AfterViewInit, OnInit { if (this.fittext) { this.setFontSize(this.maxFontSize); } + this.el.nativeElement.style.setProperty('will-change', 'content'); } ngAfterViewInit() { if (this.fittext) { - let overflow = this.checkOverflow(this.el.nativeElement); + let overflow = this.container ? this.checkOverflow(this.container, this.el.nativeElement) + : this.checkOverflow(this.el.nativeElement.parentElement, this.el.nativeElement); if (overflow) { this.setFontSize(this.calculateFontSize(this.fontSize, this.speed)); this.ngAfterViewInit(); } } } -} \ No newline at end of file +}